Meridian Telescopes

P.O. Box 571 Mt. Clemens, MI 48046-0571

Description: FOC2CM Crayford Focuser With Micro-Focuser
This Crayford 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. The primary feature of this focuser is the 10:1 Micro-Adjust focus knob providing a fine tuned focus for visual observing and is especially useful for CCD astrophotography.

Eyepiece Usage: 2" & 1.25" Adapter
Focuser Travel: 1.35" (34mm)

Travel per Revolution of Focuser Knob: 0.5" (13mm)
Travel per Rev. of Micro-Focuser Knob: 0.05" (1.3mm)

Racked-in Length Overall: 3.265" (83mm)
Racked-out Length Overall: 4.615" (117mm)
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: 1.6 lbs. (0.73kg)

Materials: Anodized machined aluminum body (black), anodized machined aluminum base (black), machined aluminum draw tube, aluminum knobs, stainless steel hardware.

Other features:
10:1 Micro-Adjust focusing knob.
1.25" and 2" barrels have brass compression ring.
Adjustable tension for focusing.
Focuser lock holds focuser in position.
Made in Taiwan

Installation: Remove adapter plate from the focuser assenbly by loosening two 5/64" set screws and pulling the adapter off the focuser body. Attach adapter plate to telescope optical tube with the four mounting holes (mounting screws not included.) Align focuser to telescope and slide focuser body into the adapter plate and verify the focuser body is fully seated. Tighten the two set screws to secure the focuser body to the adapter plate.

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