FeatherTouch 3.5'' R&P Focuser FTF3545BA

About this product

Model:  ft-feathertouch-ftf3545b_a
Part Number:  FTF3545B-A

When only the very best will do! 

Starlight Instruments Feathertouch 3.5" diameter dual-speed rack-and-pinion focuser with 4.5" draw tube travel.

Please select mounting adapter and end cap to suit your telescope.   



  • Precision Rack & Pinion focus mechanism for maximum load bearing capacity
  • Integral TFPE coupled collar
  • Two focus knobs provide coarse focus and fine focus with a reduction ratio of 10-to-1 for unrivalled accuracy and repeatability. 
  • Starlight Instrument's focuser brake system. 
  • Designed and manufactured to the highest standard to ensure long life and no-fuss operation.  


  • Lifting Capacity: 18 to 20lbs
  • Draw Tube Travel: 4.5"
  • Best Fit: Large RC and Cassegrain Instruments
  • Draw Tube Mechanism: Rack and Pinion
  • Finderscope Hole Thread: 8-32
  • Weight: 1.8kg










Customer reviews

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Feathertouch FTF3545
21 March 2021  | 

Quite simply, the best refractor focuser there is. Period.
Nothing more to say.


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