Camera on scope
First I focus the camera (next slide) and tighten a screw to clamp the focusser. Then I loosen screws holding the T-mount ring on the telescope and lift the camera off. I hang it by its strap round the focusser so that I do not lose it (or tread on it) in the dark. I put an eyepiece in the focusser. It has a sliding mount so I can focus it without disturbing the focusser. I use the eyepiece to find my target. Then I swap the camera back into exactly the same position it was in before.