Orion Orion 8" f/9 Ritchey-Chretien Astrograph Telescope - Camera Concepts & Telescope Solutions
Starlight Instruments Micro pinion assembly fine focuser for older Televue OTAs with brake (TVRF)
A New Ritchey-Chrétien Telescope for Astrophotography (RC6)
Intro To My System - Madratter's AstroImaging
A New Ritchey-Chrétien Telescope for Astrophotography (RC6)
A New Ritchey-Chrétien Telescope for Astrophotography (RC6)
Astro-Tech 6" f/9 Ritchey-Chrétien astrograph | Astronomics.com
Feather Touch 10:1 Ratio dual speed manual focuser with brake - pre-2005 TeleVue | Astronomics.com
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
Using a RC truss tube for visual observing - Solar Observing and Imaging - Cloudy Nights
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
Feather Touch® 3.5" Dia Dual Speed Focuser Kit, 4.5" DTT, and Brake
Ritchey chretien for astrophotography? - Cats & Casses - Cloudy Nights
Starlight Instruments: FTF2025BCR, Feather Touch, Feathertouch, focuser
RC Optical 32" Ritchey Chretien Review
A New Ritchey-Chrétien Telescope for Astrophotography (RC6)
APM Telescopes. Starlight Feather Touch 3" Crayford Focuser - 3.5" Tube Travel
A New Ritchey-Chrétien Telescope for Astrophotography (RC6)
Feather Touch® 3.5" Diameter Dual Speed Focuser Kit, 1.375" Draw Tube Travel and Brake - Lunt Solar Systems
Feather Touch® 2.0" Diameter Single Speed 1.5" Draw Tube Travel, Brake, Compression Ring
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
Feather Touch FTF2535HD---Feather Touch 2.5" Diameter Dual Speed Focuser 3.5" Draw tube travel, and Brake - Camera Concepts & Telescope Solutions
Astro-Tech 10" f/8 truss tube Ritchey-Chrétien optical tube | Astronomics.com
iOptron 10" Photron Truss Tube Ritchey-Chretien Telescope
