Edmund Optics Inc.
USA
|
Asia
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Europe
TECHSPEC®
fixed focal length LENSES
o Edmund Optics® Designed and Manufactured
o Industry Leading Price-to-Performance Ratio
o Volume Pricing and Custom Lenses Available
Fixed focal length lenses are defined by a single angular field of view
or focal length. They typically have a minimum working distance with
no maximum. Objects closer to the lens will appear larger than objects
farther from the lens. Lightweight, low-profile design commonly used in
robotics and inspection applications.
HOW IMPORTANT IS RESOLUTION?
Edmund Optics®
Fixed Focal Length Lenses
What does a Star Target Tell us?
oHigh Resolution from Center to
Accurate Comparison
oEasily Compare Contrast in the
Corner for Maximum Usable Field
oSuperior Contrast for Highest MTF
Center and Corner of the Field of View
oDesigned for Real-world Conditions oQuickly Evaluate Lenses
and Variety of Working Distances
for Best Resolution
Center of image
Edmund Optics® COMPETITION
Bottom of image
Edmund Optics®
COMPETITION
Corner of Image
Edmund Optics® COMPETITION
Contact us for a Volume Quote Today!
www.edmundoptics.com/fixed-focal
USA: +1-856-547-3488
ASIA: EUROPE:
JAPAN:+81-3-5800-4751
+44 (0) 1904 788600
+65 6273 6644
® COPYRIGHT 2014 EDMUND OPTICS, INC. ALL RIGHTS RESERVED
oAlign System Tilt for
USA
Edmund Optics Inc.
|
Asia
|
Europe
TECHSPEC® compact fixed focal length lenses
oHigh Resolution Design with Industry Leading
Price-to-Performance Ratio
oRuggedized Tamper-Proof Housing
oVisible and VIS-NIR Options Available
Max. Rear Protrusion (D)
Overall Max. Length (B)
Max.
Outer Filter
Diameter Thread
(A)
Designed for use in machine vision applications, our TECHSPEC® Compact Fixed Focal Length lenses are ideal for use in factory automation, inspection or qualification. Featuring large maximum ap-
Mounting
Diameter (C)
ertures, these high performance lenses can be used in even the most restrictive lighting conditions.
Each lens has a broadband anti-reflection coating optimized for either Visible or Visible-NIR (up to
Focus Adjustment
Focus Locking Screw
1000nm) wavelengths. The TECHSPEC® Compact Fixed Focal Length lenses feature locking iris and
Iris Locking Screw
C-Mount
Iris Adjustment
focus adjustment with recessed set screws to prevent unintentional lens adjustments.
Dimensions
A (mm)
B (mm)
C (mm)
D (mm)
Filter Thread
3.5
50.0
39.3
32.0
2.78
M105 x 1.0 with required adapter #89-848
4.5
40.0
37.5
32.0
2.78
M58 x 0.75 with required adapter #87-425
6
36.0
48.9
35.8
1.4
M43 x 0.75 with recommended adapter #85-308
8.5
32.0
34.5
32.0
0.0
M25.5 x 0.5
12
32.0
27.9
32.0
0.5
M25.5 x 0.5
16
33.0
40.5
33.0
1.0
M25.5 x 0.5
25
31.0
30.5
31.0
1.3
M25.5 x 0.5
35
33.0
41.0
33.0
0.0
M25.5 x 0.5
50
35.8
53.7
35.8
2.85
M30.5 x 0.5
TECHSPEC® Compact fixed focal length lenses
Focal Length:
3.5mm
4.5mm
6mm
8.5mm
12mm
16mm
25mm
35mm
50mm
1/1.8”
1/1.8”
1/1.8”
2/3”
2/3”
2/3”
2/3”
2/3”
2/3”
Horizontal FOV on Max Sensor:
41.2mm - 102.8°
720mm - 74.6°
110.3mm - 62.1°
246.9mm - 60.8°
159.4mm - 41.1°
61.4mm - 30.9°
35.0mm - 19.8°
39.3mm - 14.3°
42.5mm - 8.5°
Horizontal FOV on 1/2” Sensor:
34.1mm - 94.1°
61.9mm - 76.7°
96.7mm - 55.9°
169.3mm - 43.8°
115.0mm - 30.3°
44.5mm - 22.7°
25.4mm - 14.5°
28.5mm - 10.4°
31.0mm - 6.2°
Horizontal FOV on 1/3” Sensor:
23.0mm - 74.4°
44.0mm - 59.2°
71.0mm - 42.7°
123.6mm - 32.7°
85.9mm - 22.9°
33.3mm - 17.1°
19.0mm - 10.9°
21.4mm - 7.8°
23.0mm - 4.6°
0-∞
25mm - ∞
75mm - ∞
200mm - ∞
100mm - ∞
100mm - ∞
100mm - ∞
165mm - ∞
250mm - ∞
f/2.0 - f/11
f/2.0 - f/11
f/1.4 - f/16
f/1.3 - f/16
f/1.8 - f/16
f/1.4 - f/16
f/1.4 - f/17
f/1.65 - f/22
f/2.0 - f/22
#89-410
#86-900
#67-709
#58-000
#58-001
#59-870
#59-871
#59-872
#59-873
—
—
—
—
—
#67-714
#67-715
#67-716
#67-717
Max. Sensor Format:
Working Distance:
Aperture (f/#):
VIS Stock No.
VIS-NIR Stock No.
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® COPYRIGHT 2011 EDMUND OPTICS,
INC. ALL RIGHTS
RESERVED
9/11 INC. ALL RIGHTS RESERVED
® COPYRIGHT
2014 EDMUND
OPTICS,
Focal Length (mm)
Edmund Optics Inc.
USA
|
Asia
|
Europe
TECHSPEC® compact instrumentation imaging lenses
o Compact, Streamlined Versions of Compact Fixed Focal Length
Imaging Lenses
Focus Locking Screw
o Designed for Instrumentation Integration
4.5mm
o Wide Range of Fixed Aperture Options
Max. Rear Protrusion (D)
Max. Overall Length (B)
Max.
Front
Diameter
(C)
Featuring low lens-to-lens variation and a broadband anti-reflection (AR) coating for maximum
light transmission, TECHSPEC Compact Instrumentation Imaging Lenses are ideal for a wide
®
range of applications. An adjustable, lockable focus enables setting the best focus position prior
26mm
Front Threading (A)
to integrating into instrumentation, avoiding future adjustments. The wide range of fixed aperture
C-Mount M22.0 x 0.75
options ensures maximum flexibility of resolution, throughput, and depth of field.
dimensions
A (mm)
B (mm)
C (mm)
D (mm)
6
M34.0 x 0.5
47.8
34.0
1.17
12
M22.0 x 0.75
29.0
22.0
0.96
16
M22.0 x 0.75
40.8
22.0
1.09
25
M22.0 x 0.75
29.9
22.0
1.33
35
M25.5 x 0.5
41.0
22.5
3.82
50
M30.5 x 0.5
49.5
30.5
2.06
techspec® Compact instrumentation imaging lenses
Focal Length FL:
6mm
Max. Sensor Format:
12mm
*Horizontal
16mm
25mm
35mm
50mm
1/1.8"
2/3"
2/3"
2/3"
2/3"
2/3"
FOV* Max Sensor Size:
110.3mm - 62.1°
159.4mm - 41.1°
61.4mm - 30.9°
35mm - 19.8°
39.3mm - 14.3°
42.5mm - 8.5°
FOV* Range on 1/2" Sensor:
96.7mm - 55.9°
115.0mm - 30.3°
44.5mm - 22.7°
25.4mm - 14.5°
28.5mm - 10.4°
31.0mm - 6.2°
FOV* Range on 1/3" Sensor:
71.0mm - 42.7°
85.9mm - 22.9°
33.3mm - 17.1°
19mm - 10.9°
21.4mm - 7.8°
23.0mm - 4.6°
75mm - ∞
200mm - ∞
100mm - ∞
100mm - ∞
165mm - ∞
250mm - ∞
Working Distance:
f/1.4
#86-591
–
#85-348
#85-355
–
–
f/1.65
–
–
–
–
#85-362
–
f/1.8
#86-592
#86-607
#85-349
#85-356
#85-363
–
–
–
–
–
–
#86-614
f/2
Aperture (f/#) /
Stock Number
f/2.8
#86-593
#86-608
#85-350
#85-357
#85-364
#86-615
f/4
#86-594
#86-609
#85-351
#85-358
#85-365
#86-616
f/5.6
#86-595
#86-610
#85-352
#85-359
#85-366
#86-617
f/8
#86-596
#86-611
#85-353
#85-360
#85-367
#86-618
f/11
–
#86-612
#85-354
#85-361
#85-368
#86-619
f/16
–
#86-613
#85-336
#85-337
#85-338
#86-620
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® COPYRIGHT 2011 EDMUND OPTICS,
INC. ALL RIGHTS
RESERVED
9/11 INC. ALL RIGHTS RESERVED
® COPYRIGHT
2014 EDMUND
OPTICS,
Focal Length (mm)
Edmund Optics Inc.
USA
|
Asia
|
Europe
TECHSPEC® 5mp FIXED FOCAL LENGTH lenses
o5 Megapixel Resolution, 145 lp/mm
Overall
Length (B)
oMultiple Options per Focal Length to Maximize Performance
oHigh Transmission BBAR Visible Coating, R<0.4% per Surface
oRuggedized Housing for Factory Automation
Our TECHSPEC® High Resolution 5 megapixel lenses are available in multiple focal lengths and
Max Outer
Diameter (A)
Mounting
Diameter (C)
feature multiple versions to optimize for different working distance ranges. Perfect for use on
high-end 5 megapixel sensors that require 145 lp/mm resolution, these lenses offer an attractive
Filter
Thread
price-to-performance ratio. All lenses feature locking focus and iris rings and a front filter thread
to allow the use of standard optical filters, for increased versatility. Call for OEM Quantity Pricing.
Focus
Adjustment
Iris
Adjustment
Iris
Focus
Locking Screw Locking Screw
C-Mount
dimensions
Primary WD Range
A
B
C
8.5mm
200mm - ∞
42.5mm
44.5mm
33.5mm
12mm
150 - 500mm
36mm
41.07mm
35mm
12mm
400 - 2000mm
36mm
41.37mm
35mm
12mm
1000mm - ∞
36mm
41.19mm
35mm
16mm
100 - 500mm
37mm
44mm
36mm
16mm
300 - 2000mm
37mm
44mm
36mm
25mm
200 - 600mm
37.5mm
34.4mm
36mm
25mm
400 - 2000mm
37.5mm
33.7mm
36mm
25mm
1500mm - ∞
37.5mm
33.7mm
36mm
35mm
125 - 600mm
37.5mm
45mm
36mm
35mm
400 - 2000mm
37.5mm
45mm
36mm
Techspec® high resolution fixed focal length lenses
Focal Length (mm)
Max Sensor Format:
Aperture (f/#):
8.5mm
12mm
12mm
12mm
*Horizontal
16mm
16mm
25mm
25mm
25mm
35mm
35mm
2/3”
2/3”
2/3”
2/3”
2/3”
2/3”
2/3”
2/3”
2/3”
2/3”
2/3”
f/1.4 - 16
f/1.8 - 22
f/1.8 - 22
f/1.8 - 22
f/1.8 - 16
f/1.8 - 16
f/1.8 - 22
f/1.8 - 22
f/1.8 - 22
f/1.8 - 16
f/1.8 - 16
Min. Working Distance:
75mm
150mm
150mm
150mm
100mm
100mm
200mm
200mm
200mm
100mm
100mm
Primary W.D. Range (mm):
200 - ∞
150 - 500
400 - 2000
1000 - ∞
100 - 500
300 - 2000
200 - 600
400 - 2000
1500 - ∞
125 - 600
400 - 2000
Angular Field of View*:
69°
41.1°
41.7°
42°
31.2°
31.3°
19.9°
20.1°
20.2°
12.6°
12.6°
FOV at Min W.D.* (mm):
130.6mm
130mm
132mm
139mm
60mm
60mm
77mm
78mm
78mm
29mm
29mm
Resolution (lp/mm):
120 lp/mm
145 lp/mm
145 lp/mm
145 lp/mm
145 lp/mm
145 lp/mm
145 lp/mm
145 lp/mm
145 lp/mm
145 lp/mm
145 lp/mm
Distortion (%):
Filter Thread:
< -6.5%
<3.3%
<3.3%
<3.3%
<3%
<3%
<0.5%
<0.5%
<0.5%
<1%
<1%
M40.5 x 0.5
M30.5 x 0.5
M30.5 x 0.5
M30.5 x 0.5
M25.5 x 0.5
M25.5 x 0.5
M25.5 x 0.5
M25.5 x 0.5
M25.5 x 0.5
M25.5 x 0.5
M25.5 x 0.5
Mount:
C-Mount
C-Mount
C-Mount
C-Mount
C-Mount
C-Mount
C-Mount
C-Mount
C-Mount
C-Mount
C-Mount
Stock No.
#68-215
#63-777
#63-778
#63-779
#85-865
#85-866
#63-780
#63-781
#63-782
#85-868
#85-869
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® COPYRIGHT 2011 EDMUND OPTICS,
INC. ALL RIGHTS
RESERVED
9/11 INC. ALL RIGHTS RESERVED
® COPYRIGHT
2014 EDMUND
OPTICS,
Focal Length
USA
Edmund Optics Inc.
|
Asia
|
Europe
TECHSPEC® double gauss lenses
oNo Vignetting, Low Distortion Design
oIdeal for Higher Resolution Megapixel Cameras
oExcellent Depth of Field
Our Double Gauss lenses provide high-performance, compact size and
exceptional value. These lenses feature image resolution greater than
100 lp/mm and exceed the performance of common fixed focal length
lenses. The focus ring and manual iris can lock in place with the included
thumbscrews. Set screws are also included to facilitate a low profile,
tamper-proof integration in machine vision applications. Mechanical design also allows the focusing movement to be motorized by the user.
Typical applications include machine vision, assembly-line integration,
measurement/image analysis.
Distortion:
Coating:
<0.3% @ 400mm WD, <2% @ 400mm WD for 18mm FL
¼l MgF2 @ 550mm
Double Gauss Lens Kit
Focusing Kit: Contains one each (5) of our focusing Double Gauss
lenses in a wooden storage box with foam lining.
#55-225
DIMENSIONS
Motor Length (C)
Overall Length (B)
A (mm)
B (mm)
C (mm)
D (mm)
E (mm)
F (mm)
Filter Thread
18
48.0
32.3
4.6
40.0
–
2.5
M30.5 x 0.5
25
39.0
40.0
5.8
34.7
30.7
2.2
M30.5 x 0.5
35
45.0
50.1
11.6
40.0
42.1
0
M37.0 x 0.75
50
47.5
69.0
10.6
40.0
40.8
0
M39.0 x 0.5
75
54.0
116.2
19.2
46.0
67.7
0
M49.0 x 0.75
Rear Protrusion (F)
Dist. to Groove (E)
Max.
Outer Filter
Diameter Thread
(A)
Motor Mount
Diameter (D)
Groove for 1/8" Pulley Belt
(not on 18mm)
Focus Locking Screw
C-Mount
Iris Adjustment
Iris Locking Screw
Double gauss focusable macro imaging lenses
Focal Length(mm)
Max.
Sensor
PMAG
Range
Aperture
(f/#)
Horiz. FOV on
1” Sensor
Horiz. FOV on 2/3”
Sensor
Horiz. FOV on ½”
Sensor
18
14.3mm
0 - 0.074X
f/4 - f/12
38.4° - 159.2mm
26.8° - 108.7mm
19.6° - 78.8mm
25
14.3mm
0 - 0.106X
f/4 - C
28.7° - 116.4mm
TECHSPEC
GaussGauss
TECHSPEC
Double
19.9° - 79.9mm 25mm25mm
14.6°
- Double
58.1mm
35
1”
0 - 0.15X
f/4 - C
20.7° - 82.5mm
f/4 - f/30
9.8° - 40.1mm
10.0° - 41.6mm
7.3° - 30.2mm
0.6 0.6
0.4 0.4
6.7° - 28.2mm
240
4.9° - 20.5mm
250
0.2 0.2
20
0
10 20
0.4
0.2
10-10
-20 -10-30 -20-40 -30-50 -40 -50
®
50mm TECHSPEC
Double Gauss
50mm TECHSPEC
Double Gauss
Depth
of Profile
Field Line
0.13X
Depth of Field
Line
@ Profile
0.13X @
PMAG,
11PMAG,
lp/mm11 lp/mm
50mm DOF
50mm DOF
1.0
1.0
®
0
0.8
0.6
0.4
0.2
0
40 30
10 -20 -10
40 30 20
10 20 -10
-30 -20
-40 -30
-50 -40-60-50 -60
®
1.0
22mm DOF
22mm DOF
#54-689
M39.0 x 0.5
#54-690
M49.0 x 0.75
#54-691
0.6 0.6
689.5
0.4 0.4
0
0
40 3040 2030 1020 10-10 -20
-10-30-20-40-30-50-40 -60
-50 -60
®
®
75mm75mm
TECHSPEC
Double
GaussGauss
TECHSPEC
Double
DepthDepth
of Field
Line Profile
@ 0.20X
PMAG,PMAG,
11 lp/mm
of Field
Line Profile
@ 0.20X
11 lp/mm
50mm50mm
DOF DOF
22mm22mm
DOF DOF
1.0 1.0
0.8 0.8
0.6 0.6
0.4 0.4
0.2 0.2
0
0
20
20 10
10
-10 -10-20 -20-30 -30
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1.0
M37.0 x 0.75
0.8 0.8
247.7
1.0 1.0
1.0 1.0
®
75mm TECHSPEC
75mm TECHSPEC
Double Double
Gauss Gauss
Line @
Profile
@ PMAG,
0.20X PMAG,
11 lp/mm
Depth ofDepth
Field of
LineField
Profile
0.20X
11 lp/mm
276.2
Relative Contrast
0.6
®
Relative Contrast
0.2
0.2
0
0.4
0.8
Double
GaussGauss
35mm35mm
TECHSPEC
TECHSPEC
Double
M30.5
x 0.5
#55-326
DepthDepth
of Field
Line Profile
@ 0.09X
PMAG,PMAG,
11 lp/mm
of Field
Line Profile
@ 0.09X
11 lp/mm
110mm
DOF DOF
110mm
-50 -50
-40
®
50mm50mm
TECHSPEC
Double
GaussGauss
TECHSPEC
Double
DepthDepth
of Field
@ 0.13X
PMAG,PMAG,
11 lp/mm
of Line
FieldProfile
Line Profile
@ 0.13X
11 lp/mm
Relative Contrast
0.4
0.6
Relative Contrast
0.6
0.8
®
35mm TECHSPEC
Double® Double
Gauss Gauss
35mm TECHSPEC
Depth ofDepth
Field of
LineField
Profile
0.09X
11 lp/mm
Line @
Profile
@ PMAG,
0.09X PMAG,
11 lp/mm
110mm110mm
DOF DOF
1.0
1.0
Relative Contrast
0.8
Relative Contrast
Relative Contrast
®
®
25mm TECHSPEC
Double Gauss
25mm TECHSPEC
Double Gauss
Depth of Field
Line
@ Profile
0.06X @
PMAG,
11PMAG,
lp/mm11 lp/mm
Depth
of Profile
Field Line
0.06X
Tested DOFTested
of Approximately
250mm 250mm
DOF
of
Approximately
1.0
1.0
#54-857
®
0.2 0.2
0 0
Double gauss depth of
20 field
10 10 -10curves
-20 -20
-30 -30
-40
20
-10
Depth of
FieldofCurves
Depth
Field Curves
M30.5 x 0.5
199.6
Relative Contrast
0 - 0.35X
14.5° - 60.4mm
Stock No.
®
Relative Contrast
1.3”
f/4 - f/18
240
Filter Thread
(Dia. x Pitch)
0.8 0.8
Relative Contrast
75
0 - 0.22X
Relative Contrast
1.3”
0.8 0.8
Weight
(g)
210
227.0
Depth
of Field
Curves
Depth
of Field
Curves
®
DepthDepth
of Field
@ 0.06X
PMAG,PMAG,
11 lp/mm
of Line
FieldProfile
Line Profile
@ 0.06X
11 lp/mm
TestedTested
DOF ofDOF
Approximately
250mm
Approximately
250mm
1.0 1.0
14.4° - 56.7mm
10.5° -of41.2mm
240
Relative Contrast
50
®
Min. Working
Distance (mm)
0.6 0.6
0.4 0.4
0.2 0.2
0
0
15 15
10 105
5
-5 -10
-15 -20
-5 -10
-15 -20
® COPYRIGHT 2011 EDMUND OPTICS,
INC. ALL RIGHTS
RESERVED
9/11 INC. ALL RIGHTS RESERVED
® COPYRIGHT
2014 EDMUND
OPTICS,
Focal Length
(mm)
Edmund Optics Inc.
USA
|
Asia
|
Europe
TECHSPEC® large format fixed focal length lenses
oCover Up to 43.3mm (Standard 35mm Format) Sensor Diagonals
o F-Mount Compatible
o Multiple Focal Length Options Available
TECHSPEC® Large Format Fixed Focal Length Lenses are ideal for use in web inspection, sorting, or identification applications. Optimized for machine
vision working distances, TECHSPEC® Large Format Fixed Focal Length Lenses feature high resolving powers to easily detect small defects. These imaging lenses outperform standard photography lenses in machine vision applications, and are also compatible with line scan cameras of up to 6k sensors.
techspec® large format fixed focal length LENSES
Focal Length (mm):
*Minimum Working Distance to ∞
28mm Long**
50mm
100mm
Maximum Camera Sensor Format:
35mm
35mm
35mm
35mm
Aperture (f/#):
2.8 - 22
2.8 - 22
2.0 - 22
2.8 - 22
Distortion (%):
<3%
<4%
<1%
<1%
540mm - 67.0°
960mm - 68.4°
360mm - 39.8°
162mm - 20.4°
Hor. Field of View Range*, 35mm Sensor:
Min. Working Distance:
400mm
700mm
500mm
500mm
M67 x 0.75
M67 x 0.75
M43 x 0.75
M46 x 0.75
Max. Rear Protrusion:
33mm
33mm
10.6mm
0mm
Diameter:
71mm
71mm
56mm
61mm
Max Length:
106.7mm
106.0mm
43mm
104mm
Mount:
F-Mount
F-Mount
F-Mount
F-Mount
Weight:
547g
547g
225g
565g
#85-199
#85-200
#85-203
#85-204
Filter Thread:
Stock Number:
**28mm Focal length does not work on all F-Mount cameras. Camera F-Mount must have ID greater than 42mm.
28mm Focal Length (#85-199, #85-200)
Maximum Overall Length 72.6mm
50mm Focal Length (#85-203)
Maximum Rear
Protrusion
36mm
Front
Filter
Diameter Thread
71mm M67x0.75
Max. Overall Length 43.0mm
Maximum Diameter
of Rear Protrusion
42mm
Front
Diameter Filter Thread
52.7mm M43 x 0.75
Max Rear
Protrusion
10.6
Mounting
Diameter
56.0mm
100mm Focal Length (#85-204)
Focus Adjustment
Focus Locking Screw
Iris Adjustment
Front
FilterThread
Diameter
M46 x 0.75
61.0mm
Mounting
Diameter
60.5mm
F-Mount
Focus Adjustment
Iris Locking
Screw
Focus Locking
Screw
Max. Overall Length 104.0mm
Focus Adjustment
Focus Locking Screw
Iris Locking Screw
F-Mount
Iris Adjustment
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Iris Locking Screw
F-Mount
® COPYRIGHT 2011 EDMUND OPTICS,
INC. ALL RIGHTS
RESERVED
9/11 INC. ALL RIGHTS RESERVED
® COPYRIGHT
2014 EDMUND
OPTICS,
28mm Short**
Edmund Optics Inc.
USA
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Europe
TECHSPEC® SWIR Imaging
what is swir?
Short-Wave Infrared (SWIR) light is typically defined as light in the 0.9 – 1.7µm
wavelength range, but can also be classified from 0.7 – 2.5µm. Since silicon
sensors have an upper limit of approximately 1.0µm, SWIR imaging requires
unique components capable of performing in the SWIR range. Indium Gallium
Arsenide (InGaAs) sensors are the primary sensors used in SWIR, covering
the typical SWIR band, but can extend as low as 550nm to as high as 2.5µm.
Although linear line-scan InGaAs sensors are commercially available, area scan
InGaAs sensors are typically ITAR restricted, but are available for a number of
commercial applications with proper licenses. SWIR imaging lenses are specially designed, optimized, and anti-reflection coated for SWIR wavelengths.
why use swir?
Unlike Mid-Wave Infrared (MWIR) and Long-Wave Infrared (LWIR) light, which
is emitted from the object itself, SWIR is similar to visible light in that photons
are reflected or absorbed by an object, providing the strong contrast needed
for higher resolution imaging. Ambient star light and background radiance
(nightglow) are natural emitters of SWIR and provide excellent illumination for
outdoor, nighttime imaging.
It is essential to use a lens that is both designed and coated for the SWIR
wavelength band. Using a lens designed for the visible spectrum will result in
low resolution images and higher optical aberrations. Since SWIR wavelengths
transmit through glass, lenses and other optical components (filters, windows,
etc.) designed for SWIR can be manufactured using the same techniques used
for visible components, decreasing manufacturing cost and enabling the use of
protective windows and filters within a system.
A large number of applications that are difficult or impossible to perform using
visible light are possible using SWIR. When imaging in SWIR, water vapor, fog,
and certain materials such as silicon are transparent. Additionally, colors that
appear almost identical in the visible may be easily differentiated using SWIR.
edmund OPTICS® is your sWir expert
Capable of manufacturing and assembling in volume to the highest standards,
Edmund Optics® is experienced in designing, manufacturing, and coating SWIR
lenses. Edmund Optics® offers lens assemblies designed with glasses that are
optimized for performance in the SWIR spectrum, and our SWIR AR coatings
are specially designed for maximum transmission of SWIR wavelengths.
swir applications
• Electronic Board Inspection
• Solar Cell Inspection
• Identifying and Sorting
• Produce Inspection
• Surveillance
• Anti-Counterfeiting
• Process Quality Control
A SWIR imaging system can identify bruises on fruit not apparent in a visible image
want to learn more? visit www.edmundoptics.com/swir
SWIR Fixed Focal Length Imaging Lenses
oDesigned, Coated, and Tested for
SWIR Imaging Lenses
Overall Max. Length (B)
SWIR Wavelengths
oCompact, Lightweight, COTS Imaging Lenses
Max.
Outer Filter
Diameter Thread
(A)
oLow f/# for High Throughput
TECHSPEC® SWIR Fixed Focal Length Imaging Lenses are compact,
lightweight SWIR lenses designed for applications operating in the
short-wave infrared spectra, which ranges from 0.9 – 1.7μm. SWIR lenses are ideal for a range of applications including inspection, sorting, or
quality control. These SWIR lenses are anti-reflection coated from 0.8
– 1.8μm, in addition to being designed to cover large, 25mm sensors.
TECHSPEC® SWIR Fixed Focal Length Imaging Lenses are commercial
off-the-shelf (COTS) lenses with low f/#’s for high throughput and improved performance.
Focus Adjustment
Focus Locking Screw
Max. Sensor
Size (mm)
25.6
Field of View @
Max Sensor Format
206.8mm - 55.8°
Field of View*,
20.5mm Sensor
128.2mm - 35.5°
50
25.6
140.7mm - 29.8°
100
25.6
105.8mm - 14.6°
Mounting
Diameter (C)
Iris Locking Screw Iris Adjustment
Lens Mount
dimensions
Focal Length
25mm, C-Mount
50mm, C-Mount
50mm, F-Mount
50mm, M42 x 1.0
100mm, C-Mount
100mm, F-Mount
100mm, M42 x 1.0
Techspec® SWIR Fixed Focal Length Imaging Lenses
Focal Length FL
(mm)
25
Max. Rear
Protrusion (D)
A (mm)
40
56
56
56
84
84
84
B (mm)
63.5
112
103
124
180.1
151.1
191.8
C (mm)
40
55
55
55
84
84
84
D (mm)
7.62
0
28
0
0
0
0
Filter Thread
M34 x 0.5
M43 x 0.75
M43 x 0.75
M43 x 0.75
M72 x 0.75
M72 x 0.75
M72 x 0.75
*Horizontal
200 - ∞
Aperture
(f/#)
f/2.1 - f/16
Weight
(g)
180g
112.3mm - 23.4°
275 - ∞
f/2.25 - f/22
660mm - 9.2°
400 - ∞
f/2.25 - f/22
Working Distance(mm)
C-Mount
F-Mount
#83-160
N/A
N/A
< 574g
#83-165
#83-166
#83-167
< 1900g
#83-170
#83-171
C-Mount to M42 x 1.0 Adapter (5.8mm Back Flange)
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M42 x 1.0
#83-172
#83-151
® COPYRIGHT 2011 EDMUND OPTICS,
INC. ALL RIGHTS
RESERVED
9/11 INC. ALL RIGHTS RESERVED
® COPYRIGHT
2014 EDMUND
OPTICS,
USA
Edmund Optics Inc.
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Asia
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Europe
Technical Note: Using Lens Spacers
Most fixed focal length lenses have integrated mechanics to allow fo-
the image plane to the object plane) is reduced.
cusing at different working distances. The fixed focal length nature of
the design means that the elements move throughout a defined range,
spacers can have on the optical system. The working distance range
which dictates the working distances where it is possible to focus. This
over which the lens physically operates before adding spacers is gener-
predefined range is chosen based on the design of the lens, as lenses
ally where the best performance will be based on the optical design,
will perform the best in the range they were designed for. However, it
and performance will typically suffer as these distances are altered with
is often advantageous to stretch a lens beyond its limits in order to fit
spacers. Using the same lens from the example above, Figures 2 and
a particular application when smaller fields of view or shorter working
3 show the MTF curves for the lens at the minimum working distance
distances are required. By augmenting the system with a spacer in be-
(Figure 2) and with the 11mm spacer (Figure 3) at f/4 on a 2/3” sensor. As
tween the camera and lens, the range of working distances over which
a rule of thumb, a spacer should not be used if it is more than half of the
the lens optimally performs changes. This augmentation comes with
focal length.
It is also important to take into account the performance impact that
a variety of deviations from the way that the lens normally works that
need to be considered carefully before implementation into any system.
No Spacer
11mm spacer
Focal Length
35mm
35mm
Lens Length
41mm
52mm
Image Distance
42.9mm
53.9mm
sion system’s magnification or shorten the working distance; these two
Object Distance
190.9mm
100mm
changes occur in tandem and are explained by the Gaussian imaging
Working Distance
165mm
74.1mm
143.6mm
Generally, the main purpose of adding a spacer is to increase the vi-
equations. Equation 1 shows the relationship between image distance
(I), object distance (O) and the focal length of the lens (f). Note that the
object distance is a negative number. By increasing the image distance,
the object distance (working distance of the lens) must decrease. When
the working distance and image distance change, so must the magni-
Total Track
223.5mm
Magnification
0.22X
0.54X
Field of View (1/2”)
28.5mm
11.88mm
Table 1: Comparison of specifications of the same 35mm focal length lens (focused at minimum working
distance) with and without a spacer. The most important system changes are in bold.
fication (PMAG), based on Equation 2. Figure 1 shows this effect visu-
O
I
f
f
spacer usage are more complicated. More details on how to do this can
be found on our website.
1=1 + 1
I O f
1
I
O
2
PMAG =
Object
Image
The decrease in working distance and the increase in magnification (reduction of the field of view) are the two most distinct advantages of
utilizing a spacer in an optical system.
Choosing the correct spacer will vary by
application, but consider an example with
35mm MTF With No Spacer
a 35mm focal length lens compared to the
results of the spacer can be found in Table 1.
In our example the spacer’s most signifi-
cant impacts on the system are that the working distance is reduced by more than half, and
the magnification increases by more than a
factor of two. In a space constrained system,
using this type of spacer can be advantageous
as well, as the total track length (length from
Contrast (%)
same 35mm lens with an 11mm spacer. The
100
90
80
70
60
50
40
30
20
10
0
35mm MTF With 11mm Spacer
Contrast (%)
Figure 1: An Illustration of the relationship between image and object distance (I and O respectively) and
lens focal length (f).
TS 5.50 mm
TS 4.00 mm
TS 0.00 mm
Diff. Limit
0
50
Spatial Frequency in cycles per mm
Figure 2: 35mm focal length lens at the minimum designed
working distance.
100
100
90
80
70
60
50
40
30
20
10
0
TS 5.50 mm
TS 4.00 mm
TS 0.00 mm
Diff. Limit
0
50
Spatial Frequency in cycles per mm
Figure 3: 35mm focal length lens with 11mm spacer.
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2014 EDMUND
OPTICS,
ally. Imaging lenses are more complex systems and the calculations for
USA
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Technical Note: Using Lens Spacers (Continued)
If used correctly, spacers can be an excellent way to augment a lens and
optimal performance. Longer focal length lenses tend to respond better
adapt it to a specific application, as long as its limitations and reductions
to spacers, as they are often simpler designs when compared to shorter
in performance are kept in mind. Restricting the wavelength range for
focal length lenses, and it is important to carefully analyze the system
the lighting to be monochromatic will help to mitigate these issues. As a
where spacers are considered before implementation. Contact EO
best practice using a lens at within its design range is the best option for
Technical Support for performance impact of spacers on specific lenses.
Technical Note: Using Focal Length Extenders/Multipliers
Another way to increase the magnification of a machine vision system
two focal length extenders of 1.5X and 2X will have a new focal length
is by using a focal length extender. A focal length extender is similar
of 75mm, as 75 is the product of 25, 1.5, and 2.
to a lens spacer in that they are both placed in between the back of
the lens and the camera. A focal length extender, however, will not
out a compromise, potential degradation of image quality should be
change the working distance range where the lens will work; focal
considered when using focal length extenders. Because the individual
length extenders contain a negative set of elements that change the
lens elements in an objective have all been specifically designed and
focal length of the machine vision lens by a multiplicative factor. For
engineered to balance each other out in terms of optical performance,
example, a 25mm focal length lens with a focal length extender of 2X
adding an additional negative element into the optical train will reduce
will have an effective focal length of 50mm, and will therefore have
that performance by introducing additional optical aberrations that the
half of the field of view it originally had at the same working distance
lens was not designed to balance out. Focal length extenders also re-
ranges.
duce the amount of light throughput in a lens by changing the f/#. For
Much in the same way that the use of spacers does not come with-
Another useful advantage of focal length extenders is that they can
instance, a focal length extender of 2X will decrease light throughput by
be stacked upon one another, and have a multiplicative effect on the
a factor of four. The potential negative effects on image quality should
focal length of a lens. For example, a 25mm focal length lens used with
be considered before implementing a focal length extender.
At long working distances, most lenses are difficult to fix in
bench top applications, and provide fields of view larger than
Sensor
required. Spacers address these issues by reducing minimum
working distance and by increasing magnification, which de-
I
Sensor
Camera
Spacer
creases field of view. The C-Mount Extender Kit includes
I
0.5mm, 1mm, two 5mm, 10mm, 15mm and 40mm spacers.
C-Mount Extender Kit: Includes 0.5mm, 1mm, two 5mm,
10mm, 15mm, and 40mm spacers
#54-261
5mm Spacer: Converts CS-Mount camera to C-Mount
#03-618
M25.5 x 0.5 to C-Mount Adapter: Double Male, Rotating
#66-381
O
O
Object
fixed focal length lens extenders
As an alternative to spacers, adding a negative focal length lens to the camera end of an optical system can
decrease the field of view while maintaining the original working distance specifications. For instance, increasing the focal length by 2 decreases the field of view by the same factor. Therefore, the 2X extender converts a
25mm FL lens to a 50mm FL lens. Designed for CS- or C-Mount video lenses.
Fixed Focal Length lens extenders
CS-Mount
C-Mount
Stock Number
Stock Number
2X Focal Length Extender
#56-822
#54-356
1.5X Focal Length Extender
#56-823
#54-357
Description
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2014 EDMUND
OPTICS,
fixed focal length lens c-mount spacers
USA
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TECHSPEC® INFINITE CONJUGATE μ-VIDEO IMAGING lenses
oStandard, High Resolution and Harsh
Environment Versions Available
oFull Prescription Data Available Online
oLens Coatings Optimized for VIS or NIR Imaging
M12 x 0.5mm (S-Mount) Mounting Thread
C
A
Image
Plane
D
B
harsh environment µ-video™ imaging lenses
*Horizontal for max. sensor format
Dimensions (mm)
VIS - 425 to 675nm
NIR - 600 to 1050nm
D
Stock No.
Stock No.
1.9
5.4
#58-840
#58-844
14.1
4.5
4.5
#58-841
#58-845
15.0
8.7
4.0
#63-759
#63-761
f/#
Angular
FOV*
Min. Working
Distance
A
B
C
⅓"
f/2.0
110°
400mm
21.0
16.4
3.6mm
⅓"
f/2.5
85°
400mm
14.0
8.0mm
½"
f/1.9
46°
400mm
14.0
Focal
Length
Max. Sensor
Format
2.2mm
megapixel infinite conjugate µ-video™ imaging lenses
Max. Sensor
Format
⅓"
⅓"
⅓"
⅓"
1/2"
Angular
FOV*
82.5°
65.8°
43.7°
39.2°
46.0°
f/#
f/2.5
f/1.9
f/1.9
f/1.8
f/1.9
*Horizontal for max. sensor format
Min. Working
Distance
400mm
400mm
400mm
400mm
400mm
Dimensions (mm)
A
14
14
14
14
14
B
14.6
24
30
22.2
15
C
4.5
6.4
10.2
8.25
8.7
standard infinite conjugate µ-Video™ imaging lenses
D
4.2
3.8
3.8
4.0
4.0
Stock No.
#57-907
#57-908
#57-909
#57-910
#69-255
*Horizontal at max. Sensor format. **Filter at 650nm
Dimensions (mm)
Focal
Length
Max. Sensor
Format
f/#
Angular
FOV* (º)
Min. Working
Distance (mm)
A
B
C
D
IR Cut**
Stock No.
No-IR Cut
Stock No.
1.68mm
¼"
f/2.5
133.9
400
15.0
13.2
3.3
2.8
#66-880
#59-776
1.74mm
¼"
f/2.8
114.4
400
21.0
19.6
3.3
3.2
#66-881
#56-774
1.9mm
¼"
f/2.0
118
400
17.0
14.5
4.2
4.0
#66-882
#64-106
2.2mm
⅓"
f/2.5
130
400
17.0
18.3
4.8
3.7
#66-883
#55-569
2.5mm
⅓"
f/2.5
112
400
17.0
20.1
4.6
3.8
#66-884
#57-681
2.9mm
⅓"
f/2.0
96
400
15.0
17.4
5.2
5.8
#66-885
#55-570
3.0mm
⅓"
f/2.0
98.7
300
14.0
15.1
5.3
3.9
#66-886
#59-778
3.9mm
⅓"
f/2.0
74
400
14.0
16.0
5.9
4.0
#66-888
#57-683
6.0mm
⅓"
f/1.7
44
400
15.0
15.3
8.0
6.0
#66-890
#57-684
6.4mm
⅓"
f/2.4
42.2
400
14.8
13.1
5.3
3.3
#66-891
#55-573
8.0mm
⅓"
f/2.5
30.9
800
15.0
13.5
5.8
3.0
#66-892
#55-574
10.1mm
½"
f/2.8
36
400
15.0
13.4
6.1
3.2
#59-779
#63-762
10.4mm
½"
f/2.8
35
400
14.0
12.0
6.4
4.0
#64-107
#65-251
12.0mm
⅓"
f/2.0
22.3
800
14.0
12.0
6.4
4.0
#66-893
#56-775
16.0mm
⅓"
f/2.0
17
400
14.0
14.4
8.0
4.5
#66-894
#64-108
25.0mm
⅓"
f/2.5
10.7
200
25.0
23.5
8.0
6.7
#66-895
#56-776
35.0mm
⅔"
f/2.0
17
200
25.0
23.4
15.8
16.4
#66-896
#59-780
50.0mm
½"
f/2.5
6.8
400
27.0
48.8
8.0
41.8
#66-897
#59-781
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2014 EDMUND
OPTICS,
Focal
Length
3.6mm
4.4mm
6.4mm
7.2mm
8.0mm
USA
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TECHSPEC® FINITE CONJUGATE μ-VIDEO lenses
oStandard and High Resolution Versions Available
oAll Glass Design to Maximize Performance
o2D and 3D Models Available Online
M12 x 0.5mm (S-Mount)
Mounting Thread
(M16 x 0.5mm for #54-855)
A
C
D
Image Plane
B
Dimensions (mm) †
A
14.0
14.0
16.0
18.0
B
11.70
20.40
19.50
24.40
FL
3
4
5.0
6.0
8.0
10.0
12.5
17.5
25.0
A
14.0
14.0
14.0
14.0
14.0
14.0
15.0
14.0
18.0
B
17.1
19.7
14.6
14.1
12.3
17.0
22.9
20.7
30.0
For optimized W.D.
D
3.5
6.0
6.0
9.0
Mounting Thread
M12 x 0.5
M12 x 0.5
M12 x 0.5
M16 x 0.5
D
5.8
4.4
3.7
4.5
3.7
3.7
4.8
7.6
11.5
Mounting Thread
M12 x 0.5mm
M12 x 0.5mm
M12 x 0.5mm
M12 x 0.5mm
M12 x 0.5mm
M12 x 0.5mm
M12 x 0.5mm
M12 x 0.5mm
M12 x 0.5mm
standard conjugate finite µ-video™ imaging lenses
Focal
Max. Sensor
f/#
Length (mm)
Format
Primary
Magnification
Field of View*
(mm)
Focal Length
3.0mm
4.0mm
5.0mm
6.0mm
8.0mm
10.0mm
12.5mm
17.5mm
25.0mm
Primary
Magnification
0.029 - 0.015X
0.026 - 0.016X
0.033 - 0.020X
0.040 - 0.024X
0.053 - 0.032X
0.068 - 0.040X
0.084 - 0.050X
0.130 - 0.076X
0.190 - 0.110X
Working Distance†
Field of View* (mm)
(mm)
315-622
150 - 400
307-509
150 - 400
163 - 270
150 - 400
132 - 220
150 - 400
92 - 154
150 - 400
72 - 120
150 - 400
76 - 128
150 - 400
51 - 87
150 - 400
35 - 60
150 - 400
6.0
⅓"
f/2.0
0.039 - 0.023X
170 - 182
150 - 400**
#87-231
⅓"
f/1.9
0.053 - 0.032X
95 - 156
150 - 400**
#54-853
12.0
1/2"
f/2.0
0.081 - 0.049X
80 - 134
150 - 400**
#54-854
25.0
1/2"
f/2.1
0.107 - 0.075X
60 - 86
250 - 350
#54-855
*Horizontal FOV for max. sensor format including distortion **Optimized for 150 - 200mm
Optimized for 150-250mm *Horizontal at Max. Sensor
Stock Number
f/2.5
f/4.0
f/5.6
f/8.0
#89-340
#89-341
#89-342
#89-343
#89-344
#89-345
#89-346
#89-347
#58-201
#69-260
#83-938
#83-949
#58-202
#69-261
#83-939
#83-950
#58-203
#69-262
#83-940
#83-951
#58-204
#69-263
#83-941
#83-952
#58-205
#69-264
#83-942
#83-953
#58-206
#69-265
#83-943
#83-954
#58-207
#69-266
#83-944
#83-955
†
Optimized Working
Distance (mm)
100 - 200
150 - 250
150 - 250
150 - 250
150 - 250
150 - 250
150 - 250
150 - 250
150 - 250
Distortion (%)
Diagonal
Horiz.
-0.347
-0.218
-0.251
-0.151
-0.2
-0.116
-0.15
-0.092
-0.065
-0.04
-0.015
-0.0087
-0.009
-0.0061
0.009
0.006
0.003
0.0014
techspec® μ-video™ imaging lens accessories
oC-Mount to M12 Adapters
µ-video™ imaging lens accessories
Description
with or without O-Ring
oLock Nut to Secure Lens
in any Holder
oCamera Board Adapter
for Design Integration
Stock
Number
8.0
megapixel finite conjugate µ-video™ imaging lenses
Max. Sensor
Format
⅓"
⅓"
⅓"
⅓"
⅓"
⅓"
½"
½"
½"
Working
Distance (mm)
Stock No.
C-Mount to Micro Video Lens Adapter
#53-675
C-Mount To Micro Video Lens Adapter w/O-Ring
#59-241
M12 Micro Video Lens Holder for Camera Boards
#66-382
M12 Lock Nut For Micro Video Lenses
#64-102
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® COPYRIGHT
2014 EDMUND
OPTICS,
FL
6.0
8.0
12.0
25.0
Standard
C†
4.0 - 3.9†
8.9 - 8.7†
7.1 - 6.75†
12.6 - 11.9
Megapixel
C†
4.8-4.7
6.1-6.0
4.0 - 3.9
6.9 - 6.8
8.8 - 8.6
6.6 - 6.3
10.1 - 9.7
5.8 - 4.9
8.5 - 6.5
USA
Edmund Optics Inc.
|
Asia
|
Europe
techspec® high resolution 1” format lenses
o Support up to 4/3” Sensors
o High Resolution with Strong Contrast
o Durable Housing is Ideal for Factory Automation
TECHSPEC® High Resolution Lenses for 1” and 4/3” Sensors are designed for the
harsh demands of industrial inspection applications. The 16mm, 25mm, and 35mm
lenses are compatible with up to 1” sensor formats, while the 50mm lens is compatible with up to 4/3” sensor formats. These fixed focal length lenses feature a locking focus and iris rings to prevent unwanted adjustments, and a front filter thread for
integrating standard optical filters.
TECHSPEC® high resolution lenses for 1" and 4/3" sensors
16mm
25mm
35mm
Maximum Camera Sensor Format
Focal Length:
1"
1"
1"
50mm
4/3"
Field of View, 4/3" Sensor:
–
–
–
75.1mm – 20.5°
Field of View, 1" Sensor:
127mm – 53°
104mm – 35°
101mm – 26°
52.9mm – 14.6°
Working Distance:
100mm to ∞
150mm to ∞
200mm to ∞
200mm to ∞
Aperture (f/#):
f/1.8 – f/16
f/1.8 – f/22
f/1.8 – f/16
f/1.8 – f/16
Filter Thread:
M46 x 0.75
M34 x 0.5
M37 x 0.75
M37.5 x 0.5
C-Mount
C-Mount
C-Mount
C-Mount
Weight (g):
195
113
252
295
Outer Diameter (mm):
38.8
37.5
48.1
50
Max. Length (mm):
59.5
45.3
66
72.6
#86-571
#86-572
#86-573
#86-574
Mount:
Stock No.
16mm Focal Length (86-571)
Overall Length 57.3 - 59.5
Mounting
Diameter
37.5mm
Max Outer
Diameter
37.5mm
Filter
Thread
M34 x 0.5
Filter
Thread
M46 x 0.75
Overall Length 60-66mm
Max Outer
Diameter
48.1mm Filter
Thread
M37 x 0.75
Mounting
Diameter
48.1mm
C-Mount
Focus Adjustment
Focus Locking Screw
Iris Adjustment
Iris Locking Screw
Focus Adjustment
Focus Locking Screw
Iris Adjustment
Iris Locking Screw
50mm Focal Length (86-574)
Max. Rear
Protrusion 5mm
Overall Length 60.5 - 72.6mm
Max Outer
Diameter
50.0mm
Mounting
Diameter
50.0mm
Filter
Thread
M37.5 x 0.5
C-Mount
C-Mount
Focus Adjustment
Focus Locking Screw
Iris Adjustment
Iris Locking Screw
Focus Adjustment
Focus Locking Screw
Iris Adjustment
Iris Locking Screw
need help selecting the right lens for you imaging system?
Download EO’s TECHSPEC® Lens Data Sheets to quickly understand key
factors designed to help you select and compare the right lens for your
imaging system.
o Modulation Transfer Function (MTF)
o Depth of Field
o Distortion
o Relative Illumination
Need Assistance? Contact us Today!
www.edmundoptics.com/fixed-focal
USA: +1-856-547-3488
ASIA: EUROPE:
JAPAN:+81-3-5800-4751
+44 (0) 1904 788600
+65 6273 6644
® COPYRIGHT 2014 EDMUND OPTICS, INC. ALL RIGHTS RESERVED
Mounting
Diameter
38.8mm
Max. Rear
Protrusion 2mm
Overall Length 45.3mm
C-Mount
Max Outer
Diameter
48.0mm
35mm Focal Length (86-573)
25mm Focal Length (86-572)