Item: 2inch DIY Refractive Focuser
Size: 2inch
Material: Full Metal Body
Focusing Range: 65mm
Focuser Thread: M78x1.0mm
Focusing Tube Length: 122mm
Suitable Caliber: over 80mm
Weight: 610g
Features: With 2pcs locking screws and No racks
Use: DIY Refractive Astronomical Telescope
1. Internal extinction thread and black oxide finish surface;
2. 65mm focusing range;
3. Allluminium alloy body material for long use;
4. No racks for focus and self-locking screws;
5. Suitable for over 80mm caliber refractive telescope;
6. With 2inch to 1.25inch adapter.
1pc 2inch no-rack refractive focuser
1pc 2inch to 1.25inch adapter