LR 4.1 CA-Removal Suggestions and Question

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  • Updated 7 years ago
While the new combination of CA-removal tools in LR 4.1 is a powerful one, I find that I'm spending too much time on individual images, either using the dropper (very hit and miss) or playing with the sliders to effectively remove fringing without removing real colors in the images.

From a user interface standpoint, the hue sliders are especially 'tricky'. Unlike other sliders in LightRoom, where it's possible to type in an exact numeric value or roll the mouse wheel, it seems these sliders can only be adjusted by dragging the mouse. It can be difficult to make fine adjustments when dragging the mouse is the only way to make them. I'd like to have the ability to enter high and low values for the hues by typing them in, directly. Adjusting them via the mouse wheel would also be nice. Should be easy to implement.

In your 'Suggested Workflow' section, you recommend turning on lateral CA correction after completing color and tone corrections and applying a lens profile. I'd like to know whether waiting until step 3 to apply CA correction has a material effect on the efficacy of the correction. In other words, I'd prefer to turn on CA correction, per default, for all imported images, in order to automate one step of work. If, however, doing this might have some negative repercussions, it would be good to know what they are.

Last, I'd like to ask whether it would be realistic to include this defringe information in lens profiles. As I understand it, the Lens Profile Creator currently only allows the user to configure lateral CA correction. If possible, it would be great to be able to configure defringing, as well.
Photo of tex


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Posted 7 years ago

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