I don't have one, but I think you usually have to modify them in order for them to work with a telescope.
There are a lot of links on the net.
I don't really like the idea with a completely new webcam because it voids the warranty of course.
Apparently webcams are particularly good because of the high number of frames per sec when you take a video, so the final stacked image will be more accurate.
Andrews also has a Solar System Imaging CCD camera at a good price. Unfortunately though they don't have many specs on their website, like megapixels. I would be curious if anybody here has tried it.
I use a normal compact digital, although I have a DSLR too, but the DSLR is too heavy to attach to my scope. I am waiting for a bracket-type camera adapter for my compact digital right now.
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