light leakage reported for 5D MkIII

Started Apr 6, 2012 | Discussions thread
tmr Senior Member • Posts: 1,520
Re: light leakage reported for 5D MkIII

NikonForever wrote:

I did about hundred shoots this morning, of course, with lens cap off. The under exposure occurs at high ISO such as 3200 above. The environment is like, light on camera side and dark on the target, so lcd sucks light in and affects the metering, even minor, but the under exposing is about 1 EV(3 stops).. very significant. if you have 5d3, I will be very interested in knowing the same tests on your unit.

This is inconsistent with the reported characteristic of a 1 stop change with the lcd panel illuminated and the lens cap on. Taking the lens cap off will only reduce the affect. Thus the 3 stop change you're seeing is something else. I'd clear all of your camera settings to default and try again.

 tmr's gear list:tmr's gear list
Canon EOS 400D Canon EOS 5D Mark III Canon EF 50mm f/1.2L USM Canon EF 85mm f/1.8 USM Canon EF 135mm F2L USM +4 more
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