This plug-in lets you edit 10 zones in your photo Ansel Adams-style.This is the Zone System plug-in’s control panel. Click on the image for a larger view.It works with the following image modes:8 & 16 bit/channel: RGB, CMYK, Grayscale.
You select either of ten zones to edit.
The zone divisions can be absolute or relative to the image. Usually you will want it to be relative to the image otherwise the darkest or the brightest zone might not be included.
You can select to change the preview between three modes. If you choose Selected Zone anything but the given zone will be masked with the color of the mask. You can change the color by clicking in the small rectangle.
Here you can edit the exposure or the contrast of the given zone. The button that here says Reset zone 5 will change its number depending on the selected zone.
Here you can change various color qualities of the given zone.
You can select if you want to convert a color image to B/W.