Index[A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [Y] [Z] objects removing from background selecting with Lasso tool turning to solid black opacity adjusting 2nd Brush tool layers lowering 2nd 3rd 4th transparency and Opacity command Opacity setting 2nd optimization Optimized File Format setting 2nd 3rd Option key 2nd 3rd 4th Output Channel pop-up menu Output Levels sliders 2nd 3rd Overlay blend mode 2nd 3rd 4th overlays color 2nd rubylith tint viewing RGB images as |