Michael A. Covington wrote:
However, the 2-inch back will not swing between the back of the tube and the
base.

The dovetail plate on the C5+ allows some adjustment for this. I don't
know if that's possible on your vintage orange-tube C5.

Thanks for the little report on the 2-inch back for the C5. I wasn't
aware of anyone who had used it.

Brian Tung
The Astronomy Corner at http://astro.isi.edu/
Unofficial C5+ Home Page at http://astro.isi.edu/c5plus/
The PleiadAtlas Home Page at http://astro.isi.edu/pleiadatlas/
My Own Personal FAQ (SAA) at http://astro.isi.edu/reference/faq.txt