If the profile used by the program is linear, the displayed image is typically less vibrant, but (and this is important) it also better represents the actual data in the RAW file. A linear (straight-line) profile, as shown by the black line in the figure, could also be used. However, a profile does NOT have to be curved. Since the profile is the initial interpretation of the camera RAW data, there are valid reasons to choose one that brings the image to an “attractive" point where the adjustments in Lr/CR can be used to refine the final result. The resultant displayed image looks “familiar” with good brightness and contrast. Note how the red tone curve brightens essentially all pixel values while increasing shadow contrast (steeper curve) and decreasing highlight contrast (less steep curve). Its shape is typical of commonly used profiles. The red curve in this figure is the Adobe Standard profile. Curves with this general shape convert the dull, flat output from a digital camera to a brighter displayed image that more closely resembles how we see things. This bowed profile was selected long ago for practical reasons. The conventional profile is non-linear (not a straight line), as shown by the red curve in the attached figure. The first sections discuss basic information about linear profiles and below that are download links to linear profiles for various camera models.Ī profile 1 is the set of instructions that tells Lightroom (Lr), Adobe Camera Raw (CR), or other RAW processing software how to display the data from a RAW file captured by a digital camera. It's become obvious that linear profiles are a powerful creative tool, and the purpose of this article is to encourage other photographers to try them. Switching to a linear profile is now my first step in editing RAW files. I needed to practice with a few images, but soon I was consistently achieving better results with my RAW file conversions. I started working with linear profiles shortly after a good friend introduced me to them. Jump to camera-specific linear profile downloads.
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