TeleVue - 0.8x reducer/photographic field flattener for TV-85 and Pronto.
2" camera adapter
All parts are like new and have only been used 2 times. All parts include
These parts cost me over $400. Asking $340 + shipping. Reasonable
Model TRF-2008 .8X Reducer/Flattener (for TV85 and Pronto) converts
TV85 to 480mm f/5.6 and Pronto to 380mm f/5.4 for flat field, fast
photography. Fully multi-coated 3-element unit inserts directly into
2" focuser, accepts standard T-rings for 35mm cameras. "This
accessory is a must-have for someone planning to use the TV-85
photographically" - review in Sky & Telescope, July 1999.