Starlight Instruments 3.5" Feather Touch Focuser w/ 1.375" Draw Tube Travel
Feather Touch 3.5" Diameter Dual Speed Telescope Focuser Kit with 1.375" Draw Tube Travel.
The user's telescope must have at least 4.35" of clearance for the draw tube to go inside of the telescope, if not the draw tube will "bottom-out" and give you more back focus.
Starlight Instruments 3.5" Feather Touch Focuser Specifications...
- Draw Tube Travel: 1.375" (34.93mm)
- Known to Fit: Large RC/ Dob Scopes
- Lifting Capacity: 18-20 lb.
- Accessory: Locking Collar 5.125 X 24 Female Threads
- Other Info: 4 3/32 X 24TPI thread on visual side of draw tube
- Reduction Ratio: 10:1
- Draw Tube Drive Mechanism: Rack & Pinion
- Finderscope Hold Thread Dimension: 8-32
- Racked In from Mounting Face: 5.236" w/ Compression Ring End Cap
- Racked Out from Mounting Face: 6.625" w/ Compression Ring End Cap
Starlight Instruments Product Number: FTF3515B-A
- Additional Information
SKU SI-FTF3515B-A Manufacturer Starlight Instruments Focuser Design Feathertouch Focuser or Mask Size 3.5" Drawtube Focus Control Manual Warranty Lifetime Warranty
- Included Items
- Starlight Instruments 3.5" Feather Touch Focuser - 1.375" DTT
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