Re: Custom profiles with RAW
Re: Custom profiles with RAW
- Subject: Re: Custom profiles with RAW
- From: Andrew Rodney <email@hidden>
- Date: Fri, 28 Oct 2005 10:22:45 -0600
- Thread-topic: Custom profiles with RAW
Title: Re: Custom profiles with RAW
On 10/28/05 10:16 AM, "Derrick Brown" wrote:
Assume nothing, you are making yet another attempt to redirect what we are saying here. This isnt and ACR dialog. A profile properly
made is not locked to a scene. You have gray balance tools to to control your implied intent. The chips in cameras today have much greater dynamic range to employ these techniques with a high degree of success
Has nothing to do with ACR. The basic premise of every camera profile product I’ve ever used is this; photograph a target. Target is used to define color gamut of resulting profile. Profile is supposed to define any and everything placed in front of sensor. The illuminant, the contrast ratio, the entire profile of the device is based on flawed assumptions. On top of all this is of course a RAW converter which plays a profound role here.
How is shooting a target (any target you wish to place in front of the sensor) supposed to define any other scene you subsequently capture?
With a scanner, the light source is fixed. The gamut of the target matches what you hope reproduce (film). The contrast ratio is pretty fixed.
Are you saying that the products that builds camera profiles don’t use the basic assumptions made to profile scanners?
Andrew Rodney
http://www.digitaldog.net/
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