Re: Nikon D70s: Color Mode

Ed Ruf (REPLY to E-MAIL IN SIG!) wrote: 
On Thu, 20 Oct 2005 17:16:02 -0500, in rec.photo.digital.slr-systems
Werewolf <nunya@xxxxxxxxxxxx> wrote:


I can't figure out the difference between the various color modes. For example the mode II is supposed to be for Adobe Photoshop. 


Actually Adobe RGB which is a wider color gamut than the default sRBG.
If you want the widest color gamut for prints to a good printer then you
might want to use this. If all you are mainly interested in photos
displayed on computer monitors or TV, then you might wish to stick with
sRBG, which is the narrower color space used displayed by monitors.


The output files are _DSC instead of DSC. But photoshop manipulates each color mode equally well. 


How have you set up color management in PS? Have you calibrated your
monitor.

You might look at http://www.color.org/whitepapers.html ----------
Ed Ruf Lifetime AMA# 344007 (Usenet2@xxxxxxxxxxxxxxx)
See images taken with my CP-990/5700 & D70 at
http://edwardgruf.com/Digital_Photography/General/index.html

I'll add to what Ed said by saying that the sRGB mode will produce more vibrant primary colours, due to the narrower Gamut. If you imagine 3, 1 foot long rulers, each one a red blue and green. If you want to print a bright red ball, the red rule will use all it's length and the other's only part of their length to print to picture.

Now with AdobeRGB, you use different colours to achieve the same picture. It has extra rulers of lighter colours it can call on to make up the red. Sadly with photographs, this more often than not results in less vibrance or attenuation and the resulting photograph can sometimes look a little dull. I often use this method to produce "flat" looking wedding photos which produce all the detail in white dresses and black suits in bright sun if done properly.

Adobe RGB is a printers colour space. If you intend to create a book of photos and have it printed on a printing press, the use of sRGB will result in pictures lacking in depth and brightness... Quite the opposite to when you work with a photo printer.

Nearly all the digital labs use Fuji Frontier photo printers which work best with sRGB images. So when to use either one basically depends on the circumstances. If you use sRGB and set the contrast in your camera to medium or higher, you'll almost certainly blow the highlights out.

If you use AdobeRGB and set the camera to low contrast, you can obtain images likely to be useful in a Photo editing program where you can play around with the contrast curve and otherwise brighten selected parts of the image.

Sorry about the long winded description but if you are going to understand this incredibly complex issue, you need to know when to use what colour space and why.

As usual... Whatever I say is based on my own personal experiences, from what I either learnt or discovered in the course of 52 years of Professional photography and publishing. Your mileage may vary so always wear an aluminum skull cap to keep my opinion out of your head.

--
Douglas...
Specifications are good to read but
When it comes to judging Digital Cameras...
I'm in the "how do the pictures look" category.
.

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