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DPChallenge Forums >> Hardware and Software >> B&W Mode on 20D
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Showing posts 1 - 9 of 9, (reverse)
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11/16/2004 09:35:23 AM · #1
Hey ya'll! I took some shots using the B&W mode with my 20D but when I view the RAW files in PS CS camera raw, they are in color. Am I missing something?
11/16/2004 09:38:07 AM · #2
If you choose ONLY RAW, then it will be black and white. If you have RAW + JPEG, the RAW will be color and the JPEG willb e BW.

Hope this helps
11/16/2004 10:03:41 AM · #3
I was using RAW - no jpeg.
11/16/2004 03:57:40 PM · #4
here is a good listing that i found after searching same topic last week!

//www.dpchallenge.com/forum.php?action=read&FORUM_THREAD_ID=133229
11/16/2004 05:13:07 PM · #5
Originally posted by Photobabble:

here is a good listing that i found after searching same topic last week!

//www.dpchallenge.com/forum.php?action=read&FORUM_THREAD_ID=133229


I know! I started the thread :-D

Guess I'm missing something though - how do I get RAW B&Ws out of my 20D if they are showing up in color in camera raw?? I'm perplexed!

p.s. What happened to Jelloeye?
11/16/2004 05:16:02 PM · #6
There is no such thing as a RAW B&W. RAW is exactly what the sensor sees. To convert to B&W would basically make it not RAW anymore.

Onboard B&W (aside from being more limiting than useful) only works when saving as JPG.
11/16/2004 06:12:30 PM · #7
shooting in camera in b/w is kind of a waste...

Theres only about 256 shades of gray compared to millions of shades of color, so you get more tonage when converting from color to b/w
11/16/2004 06:50:35 PM · #8
While the 10D/20D/etc. do not actually record b&w data, there do exist b&w digital cameras (such as the Kodak 760m). The 760m is not restricted to 256 shades of gray (12-bits of b&w goodness in a linear TIFF) and has no bayer matrix or anti-alias filter.
11/16/2004 07:46:02 PM · #9
Originally posted by jmlelii:

shooting in camera in b/w is kind of a waste...

Theres only about 256 shades of gray compared to millions of shades of color, so you get more tonage when converting from color to b/w


Not strictly true - an 8-bit jpeg has only 256 shades of grey available - so your dpc entries are limited in that fashion. Obviously in higher resolution formats, you have proportionately more data.

E

Message edited by author 2004-11-16 19:46:35.
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