2-Inch Rack Pinion Refractor Focuser Astronomical Metal Focuser M78 for Refractive Telescopes

Specification:
- Full metal 2 inch focuser for refraction type
- Adjust the focal length by the gear, and fine tuning more accuracy
- The inside of the item is fully threaded to minimize reflections
- Fit type: refraction telescope
- Fitting diameter: 2-inch / 50.8mm
- Type: rack pinion design
- External thread: M78x1mm
- Suitable for over 80mm caliber refractor telescope;
- Material: metal
- Color: fully black
- Net weight: 600g

Package Included:
- 1 x Focuser