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Meridian Telescopes P.O. Box 571 Mt. Clemens, MI 48046-0571 |
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Description: FOC2L Rack & Pinion Focuser The primary feature of this focuser is the low cost for a 2" focuser. Low friction PTFE bearings guide the barrel of the focuser through the length of travel eliminating any shift in the image when focusing. This rack and pinion focuser is a great option when the ATMer is considering the design of a Newtonian type telescope or as a replacement for the standard focuser on regular production telescopes. You will enjoy the great performance of this focuser at a great value. Eyepiece Usage: 2" & 1.25" Adapter Focuser Travel: 1.45" (35mm) Travel per Revolution of Focuser Knob: 0.85" (22mm) Racked-in Length Overall: 3.9" (100mm) Racked-out Length Overall: 5.35" (135mm) Base Dimensions: Across Tube: 3.54" (90mm) Along Length of Tube: 3.54" (90mm) Mounting Hole Spacing: Across Tube: 2.9" (74mm) Along Length of Tube: 2.75" (70mm) Mounting Hole Clearance Hole Diameter: 0.187" (4.75mm) Radius of base: 3.94" (100mm) Weight: 1.33 lbs. (0.60kg) Materials: Powder coated cast aluminum body, extruded and machined aluminum draw tube, metal rack & pinion gears, plastic knobs, PTFE bearing surfaces, stainless steel hardware. Other features: 1.25" adapter has brass compression ring. Focuser lock holds focuser in position. |
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