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Nov 29, 2002, 5:51am

If you look again at your quoted material, you may notice that it mentions cotings used to reduce reflections on the inside of the lense. The lense in the human eye also reflects and refracts light, and although these effects are sufficiently minimal as to keep any normal scene from having a visably noticable lense flare, it is never eleminated "completely" and a bright enough light source does make it noticeable. Anyone who has ever tried to drive a car while facing the sun should be able to tell you that with or without dark sunglasses to help reduce the effect, the sunlight very noticeably glares over parts of the overal scene which are well outside of the actual image of the sun. This is a lense flare, even though it looks quite different from the lense flares captured on film through cameras of various designs and complexities. The brightness of the lense flare is roughly the same at a distance of x units as the inverse square of x times the brightness of a lense flare from the same source at 1 unit. In other words... the sun is very bright. :)

TechnoZeus

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