Canon EOS 5D Mark III Metering Problem Acknowledged

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Canon EOS 5D Mark III Metering Problem AcknowledgedOver the past couple of weeks, reports started to appear on the Internet about light leaks with Canon’s new EOS 5D Mark III full frame digital SLR. Canon has confirmed that there’s a problem in an official “product advisory.” Apparently, the problem happens when you use the top panel LCD display illumination in very low light. Canon says that the problem is actually a metering issue and not a light leak and they are working on a solution. Since it only occurs in very low light when the top panel is illuminated during an exposure, it’s not going to affect many photographers. In fact, it seems the problem could be avoided altogether by not making exposures while the top LCD panel light is on. In any case, the problem has been acknowledged and Canon says they are working on a fix.

Here’s a YouTube video made by a Canon EOS 5D Mark III user, showing the problem:

Other than this one little problem (very little), the Canon EOS 5D Mark III seems to have been the most successful camera launch Canon has had since the 5D Mark II. The 5D Mk III broadens the usability of the 5D line, with better auto focus, better low light performance, faster burst rate and improved video features. We’ve already got a bunch of Canon EOS 5D Mark III content up on the site and we’re waiting on a review camera to show up so we can do a full review.

Official Canon EOS 5D Mark III Product Advisory >>
Canon EOS 5D Mark III Intro >>
Canon EOS 5D Mark III vs. Nikon D800 First Impressions Video >>


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About the author: Photo-John

Photo-John, a.k.a. John Shafer, is the managing editor of and has been since the site launched back in 1999. He's an avid outdoor enthusiast and spends as much time as possible on his mountain bike, hiking or skiing in the mountains. He's been taking pictures for ever and ever, and never goes anywhere without a camera.

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