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Hi!
I need a help, if somebody have a idea , because i have meade etx90 astroscope, and i have fuji finepix 3800 digital camera, and i cant combinated that! i have a adapter ring (ar-fx3) for my fuji, but this ring size:55 mm.Isaw Ward Larson's pictures, and he used the inner ring, outer ring with nikon ur e5 ring but his ring diffrerent size than my.
Anybody have a idea??
Thank you.

You may be out of luck. Alot of point and shoot cameras simply do not have the proper lens thread setup to adapt. If you can thread a filter on the camera, then you can adapt it to the scope. I use a standard T to C adapter to mount my Coolpix to the prime focus of my ETX. If you really want to do some astrophotography, you might need to consider a different camera.

Try this place

http://www.scopetronics.com/digitalcam.htm

I was looking for the same thing a while back and they seem to be able to adapt anything to a telescope or microscope.