Ctrl-Z (Option-Z) will toggle between the current state and the previous state. IOW, if you adjust a slider and want to easily view a before/after state, just use that key combination.
Rob's tip is the same when using the levels command. Now i know what clipping is. Shel > [Original Message] > From: Paul Stenquist <[EMAIL PROTECTED]> > Great tips, Rob. Of course on a Mac it's the "option" key. I just tried > doing a new conversion on one of my heavily backlit shots. This extra > info is quite valuable with the shadows and exposure adjustments. > Paul > On Nov 23, 2004, at 7:06 PM, Rob Studdert wrote: > > > If you hold down the ALT button and click on the Exposure or Shadows > > controls > > the areas of the image currently subject to clipping will be > > highlighted. > > > > If the ALT key is held down when adjusting Lens CA at 100% view or > > greater only > > the colour channels being adjusted will be displayed. > > > > I would be interested to hear of any obscure controls you have found > > useful > > when processing your Pentax RAW files :-)
