Things to Know About Telescopes for Star Quiz (Rev 2012) 1. The telescope must be pointed at which star in order to compensate for Earth’s rotation? 2. Which eyepiece has the largest field of view? 6mm, 10mm, 25mm, or 40mm 3. Which eyepiece has the largest magnification? 6mm, 10mm, 25mm, or 40mm 4. What is the diameter (in inches) of the mirror in the telescope you use outside? 5. What is the focal length (in mm) of the telescope you use outside? 6. The two major types of telescope are refractor and ___________? 7. What company made the telescope you use outside? Astronomics, Celestron, Meade, OTP 8. The type of telescope we use outside has the ________ design? Cantor, Galileo, Newton, Schmidt-Cassegrain, Matzukov 9. What type of mount is used with the telescope we use outside? Altazimuth, German equatorial, Tyrolian, Yoke/fork equatorial 10. If the ____ mm eyepiece was used with a scope which has a focal length of ____ mm, what would the magnification be? 11. The ability of a telescope to collect light depends on the area of the objective lens or mirror. A telescope with a ______inch diameter mirror will gather how may times the light of a human eye (¼ inch diameter). Divide out. Do not leave as a ratio. 12. The three functions of a telescope are light gathering, magnification and resolution. 13. What is the formula for maximum magnification of a telescope?