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FORUMS Canon Cameras, Lenses & Accessories Canon EOS Digital Cameras 
Thread started 12 May 2007 (Saturday) 10:47
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20d underexposes 2/3 stop

 
tekkie
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May 12, 2007 10:47 |  #1

I had an xt and the metering was fine I rarely had to change the exposure on it, the only time I had to change it was in the snow / somethind dark etc. But since I went to the 20D I constantly and I mean always have to set it + 2/3 for the exposure to be right. Its like that in all the metering modes, every lens I have, bright, dark, sunny, dull, indoor, outdoor it doesnt matter it always does it :(

not really a big deal I just leave it on + 2/3 but I am wondering why is it like that? everything else functions perfectly without issue.

it has the latest firmware on it as well

any ideas?


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, 70-200 2.8L, 17-40L, 24-105L, 24mm 2.8,50mm 1.4, 85mm 1.8, 135mm 2.8 SF, 100mm Macro
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Rumjungle
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May 12, 2007 11:02 |  #2

That's strange. From my experience, the 20D metered very similarly to my 1d2n. You say it happens no matter how you meter? Have any examples I can check out? What happens when you shoot an 18% gray card (or a white sheet of paper for that matter)? Is it overly dark?


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Chris1le
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May 12, 2007 11:13 as a reply to  @ Rumjungle's post |  #3

Yup, That is how both my 20D and 1DMk2N are setup +2/3.


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Rumjungle
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May 12, 2007 11:18 |  #4

I generally leave mine in the middle and make adjustments based on the subject (- on dark subjects and + on lighter subjects).


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tekkie
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May 12, 2007 11:23 |  #5

Rumjungle wrote in post #3194230 (external link)
That's strange. From my experience, the 20D metered very similarly to my 1d2n. You say it happens no matter how you meter? Have any examples I can check out? What happens when you shoot an 18% gray card (or a white sheet of paper for that matter)? Is it overly dark?

ah I never tried the gray card I will give that a

maybe its just my eyes :(

I will take some pics today and post them :)


Canon 1DMKII, 7D, 5DMKII, 1D MKII
Canon 500L, 100-400L
, 70-200 2.8L, 17-40L, 24-105L, 24mm 2.8,50mm 1.4, 85mm 1.8, 135mm 2.8 SF, 100mm Macro
Canon 430 & 580 flashes

  
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Rumjungle
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May 12, 2007 12:18 |  #6

This was one of the most recent photos I took with the 20D. Not much artistic quality but with that many bees swarming around, I really didn't care either.:lol:

IMAGE NOT FOUND
IMAGE IS A REDIRECT OR MISSING!
HTTP response: 404 | MIME changed to 'text/html' | Byte size: ZERO


Camera Make: Canon
Camera Model: Canon EOS 20D
Image Date: 2007:03:30 15:14:54
Flash Used: No
Focal Length: 55.0mm
CCD Width: 3.42mm
Exposure Time: 0.0008 s (1/1250)
Aperture: f/4.0
ISO equiv: 400
Exposure Bias: 0.33
White Balance: Auto
Metering Mode: Matrix
Exposure: aperture priority (semi-auto)

I pushed it 1/3 of a stop on this one and, as you can see, it's rather overexposed.

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20d underexposes 2/3 stop
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