Starlight 2.5" Feather Touch Rack & Pinion Focuser w/ 3.5" DTT & Brake, 6/8" RC & WO Megrez 80/90 Tube Adapter, and 2" Compression Ring End Cap
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Feather Touch® 2.5" Dia. Dual Speed Focuser 3.5" DTT, and Brake
APM Telescopes. Starlight Feather Touch 3" Crayford Focuser - 3.5" Tube Travel
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Feather Touch® 3.0" Kit A - Dual Speed Focuser, DTT, and Brake
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Feather Touch® 3.5" Diameter Dual Speed Focuser Kit, 1.375" Draw Tube Travel and Brake - Lunt Solar Systems
Astro-Tech 10" f/8 truss tube Ritchey-Chrétien optical tube | Astronomics.com
RC Optical 32" Ritchey Chretien Review
Ritchey chretien for astrophotography? - Cats & Casses - Cloudy Nights
iOptron 10" Photron Truss Tube Ritchey-Chretien Telescope
Feather Touch Micro Upgrade for 2.7" and Traveler Focusers, can only be retrofit on to Astro-Physics refractors and focusers shipped since July 2001 (27FTMU) - Astro-Physics
Feather Touch® 3.5" Dia Dual Speed Focuser Kit, 4.5" DTT, and Brake
Amazon.com : Omegon Ritchey-Chretien Pro RC 254/2000 OTA : Electronics
A New Ritchey-Chrétien Telescope for Astrophotography (RC6)
Omegon Ritchey-Chretien Pro RC 154/1370 OTA : Electronics - Amazon.com
A New Ritchey-Chrétien Telescope for Astrophotography (RC6)
Using a RC truss tube for visual observing - Solar Observing and Imaging - Cloudy Nights
A New Ritchey-Chrétien Telescope for Astrophotography (RC6)
Intro To My System - Madratter's AstroImaging
