This is the twelfth in a series of posts on color reproduction. The series starts here. About the terse title: a7RII stands for the Sony alpha 7R Mark II. Lr stands for Lightroom. ASP stands for Adobe Standard Profile. Camera Neutral is the other profile I used for this post. I think you can figure… [Read More]
Archives for 2015
a7RII/Lr ASP 6000K color accuracy
This is the eleventh in a series of posts on color reproduction. The series starts here. Sorry about the terse title. There are going to be a bunch of similar posts, and I wanted to make this one easy to find later. ASP stands for Adobe Standard Profile. I think you can figure out the… [Read More]
A naïve approach to camera/developer color accuracy
This is the tenth in a series of posts on color reproduction. The series starts here. Now that I’ve tested your tolerance for theory, let’s jump right into practice, at the deep end. Let’s say I’ve got a Sony a7RII in my hand, and I’d like to know how accurate the colors are when the… [Read More]
Strategies for 3D LUT camera profile generation
This is the ninth in a series of posts on color reproduction. The series starts here. As we’ve seen, three-dimensional lookup tables are more flexible and powerful than compromise matrices. That lets us do things with 3D LUTs when calibrating cameras that can’t be done with compromise matrices. However, that freedom comes with a price;… [Read More]
Metameric failure
This is the eighth in a series of posts on color reproduction. The series starts here. I said in the last post that I’d get to 3D LUT based camera profiles in this one. I lied. Sorry, but the story of this series on color reproduction, which started out as an attempt to explain how… [Read More]
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