10D with refractors?

Hi. I am planning to purchase a Canon 10D in the next few weeks to be used for general photography, but I would also like to do some basic astrophotography. What will I need to connect this camera to a refractor? I currently have a C102, but have ordered a 5" D&G, which will come with an AP focuser?

Does Anacortes sell what I need?

Thanks in advance for any advice you can give me with this combination.

Gary