5D MKIII Light Leak???

G

GioCanales

Active member
Have you guys experienced this problem, it seems real, can someone confirm this, cause I haven't received my camera to make a test.

 
Canon Rumors shows the way to test:

Simple Test Procedure

  1. Put your body cap on the camera body.
  2. Put the viewfinder cover that came with the camera over the viewfinder.
  3. Set the camera ISO to 800 and put the camera in “P” mode.
  4. Turn on the backlight for the LCD panel and watch the exposure change
 
my question is: is the light leak "to the meter" or "to the sensor"??
because I can live with the former, but the latter would be a killer (I like stars timelapses)
 
It probably to the meter. And it seems it's only when you turn the lcd light on. Nothing to worry about.

Sam, if you're shooting stars, it's quite dark out.
 
dustylense said:
Sam, if you're shooting stars, it's quite dark out.
Click to expand...

yes, but I may want to use the that LCD screen, and I don't want that to ruin the pictures
if it only affects the meter, it's a non-issue: if you're in a dark-enough environment to have this little amount of light actually affect the meter, you're not actually going to use the meter anyway
 
In the CanonRumors thread some people posted about their tests: with a 30" exposure at ISO 6400, or 250" exposure at ISO 800, if the OVF is properly blocked, there's no effect in the image; and I don't care if the exposure reading is wrong in those situations, so that's about it: non-issue
 
** OFFICIAL RESPONSE 04/25/2012 **

To Users of the Canon EOS 5D Mark III Digital SLR Camera

Thank you for using Canon products.

Concerning the EOS 5D Mark III digital SLR camera, when the LCD panel
illuminates in extremely dark environments, the displayed exposure value may
change. Canon has concluded the investigation of this phenomenon, and this
announcement informs you of our findings as described below.

Phenomenon
In extremely dark environments, if the LCD panel
illuminates, the displayed exposure value may change. However, based on the
results of extensive testing this change in exposure value will not noticeably
affect the captured image.


Affected Product
Canon EOS 5D Mark III Digital SLR
Camera
*Products whose sixth digit in the serial number is 1 or 2 are
affected.
　　　For example,　“xxxxx1xxxxxx”　or “xxxxx2xxxxxx” ([x] represents
any optional number.)
Support
Under almost all shooting conditions (including dark
environments) this phenomenon will not affect your captured images. However, if
you would like Canon to inspect your camera, we will provide this service free
of charge upon request beginning in mid-May. Please contact Canon using the
information below to request service.

This information is for residents of the United States and Puerto Rico only.
If you do not reside in the USA or Puerto Rico, please contact the Canon
Customer Support Center in your region.

Please register the EOS
5D Mark III. By registering, we will be able to notify you via email when
service updates are available. If you already registered, please ensure you are
opted-in to receive the notification.

Thank you,
Customer Support Operations
Canon U.S.A., Inc

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[TD="colspan: 2"]Canon Customer Support Center
[/TD]
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[TD="width: 11%"]Phone:
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[TD="width: 53%"]1-800-OK-CANON
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