Orion Basic 1.25" Rack-and-Pinion Telescope Focuser
- Precision 1.25" focuser with a smooth adjusting rack-and-pinion design is ideal upgrade for a low-quality focuser or for home-built telescope projects
- Universal fit base made of durable plastic to fit Newtonian reflector telescopes of 4" aperture and larger
- Focuser accepts 1.25" telescope eyepieces
- Has 1-15/16" of focus travel with a fully racked-in height of 3-1/4"
- Dual knurled focus knobs turn smoothly even with gloves on
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