Roman Johnston inspired by “Photoshop LAB Color: The Canyon Conundrum and Other Adventures in the Most Powerful colorspace” entirely rewrote his adobe photoshop workflow for editing his pictures.
Here is an expample of one of Roman’s pictures retouched with his “old” and “new” workflow.
Here is a summary of the workflow as described by Roman
1. Do ACR conversion. Here is where you want to create 2 shots from one RAW file if DR needs to be compressed. I save at 360ppi and in ProPhotoRGB. If you want to uprez the file this also is a great place to do so. In the size box at the bottom of ACR, just choose the MP size you want (I choose the 25.1MP as it does a GREAT job of uprezing)
2. Once in Photoshop, go to Image/Mode and choose LAB Color.
3. Choose the â€œLightnessâ€ channel in the channels pallet.
4. Go to Image/Adjustment and choose the Shadow/Highlight tool. You will notice that since your only working in the luminosity channel, that the color adjustment slider at the bottom has changed to â€œBrightnessâ€ Use this to your advantage and change this before addressing highlights. Bounce between controls as you adjust to fine tune the light in your shot. After finishing, insure your L.A.B. channels are all chosen again.
5. Create a curves layer, and adjust using standard L.A.B. practices. I start at about 50% layer opacityâ€¦be VERY gentile with this as subtly is the keyâ€¦itâ€™s very easy to over do it and get the colors unnatural looking.
6. Now go back into your channels pallet and again, select only the â€œLightnessâ€ channel, and go to Image/Adjustment and use the â€œBrightness/Contrastâ€ tool. Againâ€¦keep it lightâ€¦the desire is to create accurate changes. Again, choose all your L.A.B. channels for the next edit.
7. Create a Hue/Saturation layer, and fine tune your colors here. Tip: if you cooked a color too hot in the curves layer to get colors balanced in a trouble areaâ€¦.here is where you can de-saturate it to bring it back down to earth.
8. Save your unsharpened shot here in a folder called â€œUnsharpenedâ€. You do this as different outputs need different sharpeningâ€¦this gives you some place to go back to.
9. Now choose the Lightness channel only again, and open up a smart sharpening window. Make sure your view is at 50% (not 100%) and use this to judge your sharpening. Adjust to taste.
10. Go to Image/Mode and change back to RGB.
11. Create a duplicate layer of the shot, and reduce the opacity to about 20% and change layer mode to â€œSoft Lightâ€ then adjust layer opacity to taste. (This can put some needed crispness back into your shot)
12. Save in a folder called Sharpened.
13. Use your normal process to resize for web presentation and give a VERY light final sharpening to get back your detail from the conversion.
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