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On article Canon issues allergy warning for EOS 650D/Rebel T4i (176 comments in total)
In reply to:

canon-a-holic: Ok, for all you who are downing Canon...let's just see how many white lenses are out at the Olympics! It's just a rubber hand grip. The world isn't going to fall apart because a few people react to some weird chemical.

the lenses are white because white absorbs less heat than dark-coloured ones, therefore minimising the effect of thermal expansion, thus increasing the integrity and accuracy of the lens as a whole

Link | Posted on Jul 11, 2012 at 02:38 UTC
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