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Baader Planetarium - 2" SC Steeltrack Crayford Focuser


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Availability: Available - Ships in 3-5 Days


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Manufactured by: Baader Planetarium


2" SC Steeltrack

The Baader 2" SC Steeltrack Focuser enables Schmidt Cassegrains to deliver ultra-smooth focusing with zero image shift.

  • Fits Schmidt Cassegrains from 6" to 14". The included adapters fit both the SCT 2" thread used on 8" and smaller scopes, and the 3.3" thread used on larger SCTs.
  • 30mm Focus travel
  • Fully Baffled and blackened drawtube kills off-axis stray light.
  • Optional low-profile (1mm) 2"/1¼” Pushfix Reducer.








Product Series

In recent years the Crayford style of ball-bearing guided focuser has become popular due to its smooth motions, absence of pinion backlash, and rigid drawtube support. Baader's new Steeltrack® Premium Focusers incorporate a number of innovative features that further enhance the smoothness and robustness of the Crayford focuser. Steetrack focusers are available to fit practically every telescope, from Refractors (2\" and 3\" sizes) to Newtonians, and SCTs.


All Baader Steeltrack® focusers incorporate the following features:

  • The precision ball bearings ride on hardened and polished stainless steel ways that are inset into the thick-walled aluminum drawtube. The large diameter pinion drive also rides on a precision laser cut hardened and polished steel way. This important feature delivers an ultra-smooth motion that is superior to to the rougher motions of an aluminum bearing system, and guarantees that the buttery-smooth motions will remain that way over the life of the focuser. Crayford focusers that rely on machined and anodized aluminum bearing ways can become worn and pitted with use, which results in loss of smoothness and accuracy.
  • The extra-large focusing knobs and Precision 1:10 reduction gearing permits ultra-fine motion control without backlash.
  • Precision Pinion Drive and Bearing Assembly delivers an exceedingly smooth slipless motion and avoids the drawtube flexure present in other crayford focusers.
  • Each Steeltrack incorporates a drawtube locking screw that supports even extremely heavy cameras and eyepieces without flexure or slippage. The knurled lock screw incorporates a swivelling anti-marring brass insert that allows firm clamping of the drawtube without marring or damage to the focusing mechanism.
  • Future-proof. Steeltrack focusers incorporate mounting features to permit addition of a motorized focussing accessory (availability 2010)
  • Internal drawtube surfaces are knife edge baffled to eliminate stray light reflections.
  • Bronze compression rings permit secure clamping of eyepieces and accessories without marring.
  • Baader Precision and Quality. All parts are precisely machined and their high surface quality make the Baader Steeltrack an attractive compliment to any telescope.
  •  Graduated markings on the drawtube aid in measuring and repeating focus positions.
  •  A complete set of adapters and extensions permit adaptation onto practically any telescope.

Additional Information

Name Baader Planetarium - 2" SC Steeltrack Crayford Focuser
Manufacturer Baader Planetarium
Model FOC-SC
Manufacturer Part No FOC-SC