Blooming and lens flare – Dr. Degreif
6.2.2.3.6.5.2.
IGCMS-II-05-04
Blooming and lens flare
Blooming and lens flare are camera artefacts that cause partial occlusion of object within the field of
view. The total of disturbing* blooming and lens flare regions shall not cover more than 25 % of the
displayed camera image on the monitor.
disturbing blooming and lens flare region:
Blooming and lens flare are made visible by directing the camera onto a glare source (luminance: 5-10
Mio cd/m2, angular size: 30-34 arcmins) in front of a dark background (black chart) under dark room
conditions. Blooming and lens flare shall be considered as disturbing in the regions where these
artefacts produce a luminance higher than 50% of the maximum luminance value of the displayed
glare source on the monitor.