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DPChallenge Forums >> Hardware and Software >> Anyone know the exposure lattitude of the 20D?
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Showing posts 1 - 11 of 11, (reverse)
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 02/15/2006 07:01:52 PM · #1
About how many stops?
 02/15/2006 07:21:55 PM · #2
I thought I read it was 12... or 8, wait. Crap.
 02/15/2006 07:29:26 PM · #3
I think it's 3EV's.
 02/15/2006 08:14:24 PM · #4
Originally posted by yido:
I think it's 3EV's.


3 EV's?
 02/15/2006 08:27:03 PM · #5
This one says 7.1 stops. In RAW you can maybe eek out 12 stops I read elsewhere. (before you convert)
 02/15/2006 08:30:55 PM · #6
Oh, here's another thread that also discussed it. //www.dpchallenge.com/forum.php?action=read&FORUM_THREAD_ID=317785
 02/15/2006 08:41:11 PM · #7
Originally posted by jmlelii:
Originally posted by yido:
I think it's 3EV's.


3 EV's?


I was reading Rick Sammon's Complete Guide to digital Photography, and he states that the human eye can see 11 Exposure Values of light (dynamics), film 5EV, and slide/digital 3EV's.
02/16/2006 06:16:35 PM · #8
so around 7 stops... cool for some reason I thought the lattitude was close to that of slide film, ie 3 stops?
 02/16/2006 07:04:39 PM · #9
I've always heard digital is 5, but with raw you can push it to 7.
 02/16/2006 07:53:36 PM · #10
On this page here they ran test with Sony DSC-R1 and Canon 350D. The jpeg straight from camera from the sony had a usable range of 7.8EV while the canon's had 8.1EV. When shot in RAW they could push the Sony to almost 11EV. They didn't test the 350D but given the results in JPEG. AND given the fact that the contrast in camera is higher with the sony due to in-camera processing, you can expect about the same results from the 350D and the 20d

Edit: damn typos.....

Message edited by author 2006-02-16 19:54:20.
 02/16/2006 08:05:26 PM · #11
Originally posted by jmlelii:
About how many stops?


If you're referring to dynamic range, check out this thread.
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