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Thread started 15 Apr 2012 (Sunday) 02:52
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Canon EOS 5D Mark III Service Advisory - Light Leak Phenomenon

 
No ­ One
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May 21, 2012 17:19 as a reply to  @ post 14437364 |  #166

Forgive the ignorance but what does "Light Leak"mean?
Thanks.




  
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omegaone
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May 25, 2012 22:33 |  #167

http://fstoppers.com …light-leak-issue-surfaces (external link)


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sandpiper
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May 26, 2012 08:00 |  #168

No One wrote in post #14465085 (external link)
Forgive the ignorance but what does "Light Leak"mean?
Thanks.

As described by the link that Omegaone put up, it is a problem that can affect the metering when taking photos with the body cap or lens cap on. The general consensus of opinion is that the problem can be best avoided by taking the lens cap OFF before attempting to take a photograph.




  
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spear
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May 26, 2012 23:58 as a reply to  @ sandpiper's post |  #169

I always find that taking the cap OFF help tremendously in getting good pictures! Anyway this issue is a non issue on newer 5DIII's as it has been fixed by better light insulation internally.


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DavidWatts
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May 27, 2012 00:36 |  #170

I haven't accidentally taken a shot with my III with the cap on, yet. I will review what I get at that time and report here, probably with the pic embeded. My III has already been fixed by Canon, so it might not be real interesting, but you never know...


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gjl711
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May 27, 2012 05:42 |  #171

I think many of you are not understanding the nature of the test and dwell too much on the body cap. The issue has nothing to do with the lens cap and will manifest itself all the time, cap on or cap off. The reason for the cap is to isolate the issue so that no other variables are present except for the one causing the problem. In normal shooting conditions the issue is just a present as when shooting with the cap on. In good light the issue may be masked or it's effect lessened, but it is most certainly there with every picture you take.


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str8six
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May 28, 2012 07:52 |  #172

Well said JJ. I agree


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BHollis
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May 28, 2012 09:57 |  #173

gjl711 wrote in post #14490552 (external link)
I think many of you are not understanding the nature of the test and dwell too much on the body cap. The issue has nothing to do with the lens cap and will manifest itself all the time, cap on or cap off. The reason for the cap is to isolate the issue so that no other variables are present except for the one causing the problem. In normal shooting conditions the issue is just a present as when shooting with the cap on. In good light the issue may be masked or it's effect lessened, but it is most certainly there with every picture you take.

No, it is not there with every picture you take.

The so-called light leak issue only affects exposure in very dim light--EV 1 or below--and only if the top lcd light is turned on during metering, or a bright light is shined into the top lcd during metering. Under these very unlikely circumstances, the effect is only about 1/3 stop underexposure. In all other circumstances, there is absolutely no effect on exposure.




  
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kevindar
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May 29, 2012 12:01 |  #174

BHollis wrote in post #14495300 (external link)
No, it is not there with every picture you take.

The so-called light leak issue only affects exposure in very dim light--EV 1 or below--and only if the top lcd light is turned on during metering, or a bright light is shined into the top lcd during metering. Under these very unlikely circumstances, the effect is only about 1/3 stop underexposure. In all other circumstances, there is absolutely no effect on exposure.

I am very much with Bhollis here. does the light leak in through teh top lcd if the lcd light is on, or light is shone brightly on it in all conditions? yes. but the fact that you have to keep the lens cap on, and minimize the amount of light that reaches the metering sensor is the testament to how little that light is, and how it is insignificant from a practical stand point in all but extremely limited circumstances.


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inhousestudiosatl
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May 29, 2012 20:03 |  #175
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I notice this when i got mines, i was very disappointed in this new camera. I waited years for a camera that records 30minutes in hd.




  
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omegaone
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May 29, 2012 22:29 |  #176

5D3 can record 29:59 in HD. More than enough for me


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Andrew_WOT
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May 29, 2012 22:44 |  #177

inhousestudiosatl wrote in post #14502889 (external link)
I notice this when i got mines, i was very disappointed in this new camera. I waited years for a camera that records 30minutes in hd.

Good luck finding DSLR filming more. http://www.dpreview.co​m …imit-from-digital-cameras (external link)




  
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dexy101
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Jun 04, 2012 01:52 |  #178

inhousestudiosatl wrote in post #14502889 (external link)
I notice this when i got mines, i was very disappointed in this new camera. I waited years for a camera that records 30minutes in hd.

Try a camcorder next.




  
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RSMarco
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Jun 04, 2012 13:38 |  #179

It's a DSLR with video capabilities, not a camcorder.


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Canon1960
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Jun 05, 2012 08:01 |  #180

I went to my local camera store to enquire about the EOS 5D Mk iii problem.. The guy there told me that the LCD display light was leaking onto the metering sensor and Canon had recalled the defective cameras and repaired them.. Well, not repaired as such.. It is a work-around.. Canon basically applied a small piece of....Wait for it..... Duck tape, between the LCD and metering sensor!!!.... As you can imagine, I am sticking with my Mk ii... I suggested that Canon Google 'Heath Robinson' and see what Wicki has to say!




  
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Canon EOS 5D Mark III Service Advisory - Light Leak Phenomenon
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