You will want to get one of these to connect your camera. Do you know what the dedicated software is called? I have some experience with the Moon and I have a rough idea with exposure length for stars. Gripped 7D, gripped, full-spectrum modfied T1i (500D), SX50HS, A2E film body, Tamzooka (150-600), Tamron 90mm/2.8 VC (ver 2), Tamron 18-270 VC, Canon FD 100 f/4.0 macro, Canon 24-105 f/4L,Canon EF 200 f/2.8LII, Canon 85 f/1.8, Tamron Adaptall 2 90mmf/2.5 Macro, Tokina 11-16, Canon EX-430 flash, Vivitar DF-383 flash, Astro-Tech AT6RC and Celestron NexStar 102 GT telescopes, various other semi-crappy manual lenses and stuff. If you really get deep into it, you can get dedicated software that connects your camera to a computer, and you may be able to use that to focus, depending on the telescope. If you haven't done any astronomy/astrophotography before, you'll find that things in the sky move a LOT faster than you think, so you need tracking for anything longer than a fraction of a second exposures, or you'll get motion blur. The moon is very bright it exposes almost like a sunny day instead of "sunny 16", you use "looney eleven". Manual settings all the way, and expect to do a lot of experimenting to find the correct exposures for what you're shooting. Most eyepiece adapters won't fill the frame on a FF body if it's a 2-inch, it might, but no way with 1.25".
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