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JMI NGF-S Crayford style focuser designed for use on SCT Telescopes. Includes focuser, handcontroller and all originally supplied adapters. The adapters give the option of 1.25” female push fit, male T thread and SCT male thread as well as the standard 2” female push fit. The focuser gives 1/2" of travel and is designed for fine focus after rough adjustment with the normal telescope focuser knob.

In my opinion this type of focuser is almost mandatory for imaging with a moving mirror SCT.

Very good condition and operates perfectly.  £150  SOLD

 

ALSO

JMI NGF-S large format adapter with integral light shield. Shown at top left. Allows direct connection of the NGF-S focuser to the larger rear port of 10-inch or larger SCT’s to help reduce vignetting. As new, £25 separately or £165 with NGF-S.