Antares 2" Low Profile Crayford Focuser for Reflectors - Dual Speed

Our Price: $160.00
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Availability: Item has been discontinued and is no longer available.
Manufacturer SKU: FOC2CLP
Item Can Ship: Worldwide
Antares 2" Low Profile Crayford Focuser for Reflectors - Dual Speed

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Product Details


  • Premium 2" Dual Speed Low Profile Crayford Focuser for Newtonian/Dobsonian reflector telescopes (model FOC2CLP)
  • Made by Long Perng (same product as Orion focuser), a leading manufacturer of premium telescopes and accessories
  • 11:1 fine focus control for backlash free and image-shift free focusing
  • Includes integral 2" extension tube for additional back-focus travel if required
  • Features drawtube tension adjustment and focus lock screws
  • Includes 1.25" eyepiece adapter
  • Will fit 8" or larger tubes, as well as flat tube surfaces. Drop-in replacement for many Orion Newtonian and Dobsonian telescopes, including Intelliscope dobs (will not work with SkyQuest XT8 Classic Orion dob sold before 2007 unless you drill new holes, or some models of the XT10i). Please use the information below and in the photos to confirm whether this focuser will work with your telescope.


All measurements below are measured from the bottom end of the flat base plate. There will be an additional gap of 1-2mm between this base plate and the telescope tube which will depend on the diameter of your telescope tube.

For use with 2 eyepieces and accessories (without 1.25 adapter):

  • Focuser travel range: Minimum Height = 1.89 (47.9mm) and Maximum Height = 4.54 (115.3mm)
  • Minimum focuser height (with 2 extension tube collapsed) = 1.89" (47.9mm)
  • Maximum focuser height (with 2 extension tube collapsed) = 2.85" (72.5mm)
  • Minimum focuser height (with 2 extension tube fully extended) = 3.62" (92.0mm)
  • Maximum focuser height (with 2 extension tube extended) = 4.54" (115.3mm)

For use with 1.25 eyepieces and accessories (with 1.25 adapter):

  • Focuser travel range: Minimum Height = 1.98 (50.2mm) and Maximum Height = 4.63 (117.6mm)
  • 1.25" low profile adapter only adds 2.3mm to the above 2" measurements
  • Focuser includes a 1.25 collet that can be used for added extension. This can add up to 0.85 (21.7mm) to all the above 2 heights. However, it can skew the optical axis significantly and is not recommended for frequent or imaging use.

 For use with any 1.25" or 2" eyepieces and accessories:

  • Drawtube travel is 24.5mm (almost 1")
  • Integral drawtube extension can be used to add 44mm (1.7") of additional back-focus travel, so total tube travel is 68mm (2.7")
  • Mounting hole pattern is 54mm (2.125") along optical axis and 90mm (3.56") perpendicular to optical axis
  • Focuser weight (without 1.25" adapter) = 1lb-10.8oz (760gm)
  • Focuser weight (with 1.25" adapter) = 1lb-12.3oz (802gm)
  • Focus knob diameter = 1.49" (38mm)
  • Microfocus knob diameter = 1.10 (27.8mm)
  • Maximum outer barrel diameter = 3.31" (84.0mm)
  • Millimeter markings on focuser drawtube: No
  • Rotatable: No
  • Dust plug: One 1.25" dust plug included

Manufacturer part number: FOC2CLP (formerly known as FOC2CNML)