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Many times when I am doing something in Channels the black and white image(s) look better than if I converted the RGB image to grey scale. I have been experimenting with no luck. Is there a way for me to select one of the red, green or blue images and make it a final image that I can alter and save in PS?
Highlight the channel you wish to save, Select All and then copy it to the clipboard. Then File > New and the size you just copied will be the default settings. Paste the channel and there you are.
Some people like to convert the image to Lab Color and use the lightness channel. My favorite is to use a Channel Mixer adjustment layer and Load... > Presets > Channel Mixer Presets > Grayscale > Grayscale Standard.cha.
I almost always tweak the Channel Mixer settings from there but it is a great start. Some don't load the presets from the PS install CD so if you haven't, that's where they will be.
I think that last post from Erik is worthy of going into the Quick Tips and Technques forum for people who aren't used to working with channels. [righton]