Here's the 6" setup on the lawn at Perkins Obersvatory in Delaware, Ohio.
This is a 70's vintage Criterion RV-6 that I've refurbished.  The tube, primary and cell, secondary and spider and focuser are original.  The 6X finder is a replacement.  The 0X finder is a modified Tasco gun sight.  The rings holding the OTA are slightly over-sized to allow tube rotation.  The mount is a standard Polaris mount with Right Ascension drive.

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Created May 16, 2001,
© 2001, Thomas A. Jonard