![]() This advantage of the Newtonian Crayford design focuser, constructed of strong aluminum with a black anodized finish, the drawtube glides on 4 bearing wheels with 40mm travel, a built-in tension knob for adjusting the "feel" to match your preference to gives zero image shift and zero backlash, offer ultra smooth and finely adjustable. Precision Crayford style 2" Focuser for Newtonian TelescopesĪrt No.: CRF001- 2" Refractor Crayford Style Focuser Also this 2" focuser has a mostly slide finder quick exchange device. On the top of locking thumbscrew will tightly secure focus for astronomical imaging even use the heavy Camera install with this focuser. An adaptor from 2" to 1.25" is already included, you will still be able to use your 1.25" eyepieces or Barlow lens. Shifting and friction can be adjusted easily. The adaptor from 2" to 1.25" with brass compression ring and 2" filter thread for 2" Focuser.Ī very strong and precise 2" focuser for refractors, the metal focuser drawtube is guided by three strips of Teflon and with 117mm focus travel. ![]() The R&P focuser have been developed for many years, these economy series focuser are very useful for the beginner who want to make their own telescope project. All precision machine die-casting aluminum housing install the hard finish metal drawtube.
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