Electric Focuser for Ritchey-Chrétien OTA
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JMI Dual-Speed Event Horizon Telescope Focuser – Newtonian - Camera Concepts & Telescope Solutions
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Focusers of telescopes. Types, difference, specifications
Skyoptikst 2 inch Focuser Fully Metal Body for Reflector Astronomy Telescope | eBay
Feather Touch® 3.0" Diameter - Dual Speed Telescope Focuser, 2.5" Draw Tube Travel, and Brake - Lunt Solar Systems
JMI Telescopes EV-2NM Focuser for Newtonian Telescope EV-2NM B&H
Amazon.com : Astromania 1.25" High Precision Double Helical Focuser with 0.05mm Scale for Telescope Lenses/Finder & Guidescope : Electronics
Skyoptikst 2" Crayford Focuser for Reflector Astronomical telescope,fit 8''-10'' | eBay
Non-rotating helical focuser with collet for Hadley telescopes by ballanux | Download free STL model | Printables.com
Feather Touch® 2.5" Diameter - Dual Speed Telescope Focuser 3.5" Draw tube travel, and Brake. - Lunt Solar Systems
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Astronomical Telescope Reflection Type Full Metal focuser/1.25" Adapter : Electronics - Amazon.com
Focusers of telescopes. Types, difference, specifications
Stellafane The Focuser
TPO LRS Crayford Focuser for Ritchey-Chretien Telescopes | OPT Telescopes
3.5" Rotating Focuser with FeatherTouch Micro 9:1 Dual-Speed (35FOCER-FT) - Astro-Physics
