6-Point Ball Bearing Focuser - Dual Speed, Zero Backlash Brass Rack & 5kg Load for Skywatcher 150P/200P/250P F4/F5, 6-12" Newtonians/DOBs (for Orion/Celestron) (Circular Focuser Adapter)

The circular adapter version is suitable for： Skywatcher 130PDS, 250F4, etc. with fully circular Focuser base The Convex adapter version is suitable for all Newtonian reflectors with Skywatcher 150P and above calibers, as well as DOB with convex Focuser bases Visual observation/Astrophotography-Optimized:Thermal-stable anodized aluminum body (±0.003mm/°C)Dual-speed 10:1 ratio (Coarse: 8mm/rev | Fine: 0.8mm/rev)，More precise focus, high-definition planetary observationDraw Tube comes with M56 * 1 thread, which allows users to connect various photography devices using the adapter ring. The imaging system is more stable and the optical axis is more accurate Verified Compatibility:Direct Compatibility For: Skywatcher 150P, 200P，250P (all F4/F5 variants) Skywatcher 6"-12" Newtonian series Skywatcher 8-inch and above DOB series Adaptable To (Consult Seller First): Orion 8"+ Newtonians (e.g., XX12i) Celestron 8"+ Astrographs Most Synta-standard focuser bases GSO RC series Celestron C-series Package Includes:Focuser body x1M56 * 1 to 2-inch adapter x1Focuser installation adapter x12-inch dust cover x1 Technical Specifications:Load Capacity: 5kg (13.2 lbs) testedTube Travel: 35mmBody Material: CNC-machined 6061-T6 aluminumGear Material: Hardened stainless steel + brass rack ️ Critical Note: Confirm your telescope model before ordering. Send tube diameter/focuser base photo to seller for compatibility check.

• Eliminate Focus Drift & Wobble: 6-Point Bearing Precision ：Revolutionary 6-point adjustable stainless steel ball-bearing mechanism ensures zero focus shift and eliminates image blur. Supports heavy rigs (5kg/13.2lbs tested) with micron-level precision (0.01mm repeatability) via user-tunable tension screws.
• Astro-Optimized: Thermal Stability & Dual-Speed Control ：Thermal-stable anodized aluminum body (0.003mm/°C) & 10:1 dual-speed gearing (Coarse 8mm/rev, Fine 0.8mm/rev) enable ultra-precise focusing for both astrophotography and high-definition planetary observation.
• Butter-Smooth, Zero-Backlash Focus: Brass Rack & Pinion：High-precision brass rack only handles drive transmission (non-load-bearing), preventing distortion. Paired with hardened steel gears, it delivers consistently buttery-smooth focusing under load with zero Backlash
• Versatile M56 Thread & Wide Compatibility ： Features M56x1 threaded drawtube for stable connection of adapters/DSLRs/CCDs/filter wheels/OAGs, ensuring accurate optical alignment. Direct fit for Skywatcher 150P/200P/250P F4-F5（6"-12" ）& 8"+ DOBs.
• Rigid 5kg Capacity & Complete Kit ：CNC-machined 6061-T6 aluminum body withstands heavy imaging setups. Kit includes focuser, M56-to-2" adapter, installation adapter, and 2" dust cover. Critical: Confirm telescope compatibility with seller before ordering.