Astronomical Telescope Accessories, S8019 3inch Focuser M117x1 for RC10 RC12 RC16 Telescope,for Replacing Telescope Accessories

3inch focusing FOR RC10, RC12, RC16 telescopeInterface: 117X1Travel: 46MM==========High-concerned chemical : NoneType : Monocular

• Universal mounting base allows direct replacement of original focusers without tube modification. Includes screws and wrench for easy installation.
• Model S8019 adopts 3-inch focuser structure with M117x1 threaded interface, suitable for assembly with astronomical telescopes.
• M117x1 standard thread ensures stable connection with astronomical equipment of corresponding interfaces for firm and reliable docking.
• 3-inch large-size focuser structure meets the focal length adjustment needs of large-aperture astronomical optical systems.
• Compatible with RC10, RC12 and RC16 specification astronomical telescopes to expand the applicable equipment range.
• Designed for astronomical observation, it works with optical systems to achieve smooth focal length adjustment.
• Precision rack-and-pinion drive mechanism, smooth focus travel with no backlash, supporting both fine and coarse focusing modes for precise focus needs in visual observation and astrophotography.