DIY Telescope Focusing Base 1.25'' & 2'' Metal Toothed Focusing Device Adapters

Description

Full Metal Telescope Focuser Gear for Reflector Refractor 2'' and 1.25"(37.7mm) Eyepieces
Adjust the Focal length by the gear,and fine tuning more accuracy
Fitting Eyepieces Diameter: 2''(50.8mm) or 1.25"(31.7mm)
Rounding for attach well
Focus by pinion gear
1.25'' Reflective focusing base
The focusing mount is 65mm high in the tightened state,Focusing tube 105mm, focusing stroke 65mm.
2'' Reflective focusing base
Focusing tube 105mm, focusing stroke 60mm.
Hole: 5mm.
Suitable for 153 and 203 caliber Newtonian reflector telescope.
The inside of Focuser is fully threaded to minimize reflections.
1.25'' Refractive focusing base,
1.25 inch metal toothed focusing mount.
All metal, with M56*1mm external thread at the bottom.
1.25 inch interface, the inner wall of the focusing tube has a matte thread.
Surface oxidation black treatment.
In the tightened state, 65mm high, focus tube 105mm, focus stroke 65mm.
Suitable for 1.25-inch refracting telescopes with the inner diameter of the mirror tube above 56mm.
2'' Refractive focusing base,
2 inch interface, can connect 2 inch to 1.25 inch adapter ring, convenient to connect 1.25 inch eyepiece and other accessories.
The inner wall has matt threads, and the surface is blackened with oxidation.
Suitable for 2-inch refracting telescopes with a tube inner diameter greater than 78mm.
In the tightened state, 60mm high, focusing tube 118mm, focusing stroke 65mm.
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