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FTF3515B-A---Feather Touch 3.5 Dual Speed Focuser 1.375" Draw tube tra
FTF3515B-A
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FTF3515B-A---Feather Touch 3.5" Diameter Dual Speed Focuser Kit, 1.375" Draw tube travel, Brake, End Cap and Tube Adapter Options
Feather Touch 3.5" Diameter Dual Speed Telescope Focuser Kit 1.375" DTT, Brake, End Cap and Tube Adapter Options.
The 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.
Please select the proper tube adapter ring and end cap that you will need. If you need a Finder Scope Bracket, look at the accessoires list for more options
Specification:
| Draw Tube Travel | 1.375"/34.93MM |
| Known To Fit | Large RC/Dob Scopes |
| Lifting Capacity | 18-20 pounds |
| Accessory | Locking Collar 5.125X24 Female Threads |
| Other Info | 4 3/32 X24TPI thread on visual side of draw tube |
| Reduction Ratio | 10:1 |
| Draw Tube Drive Mechanism | Rack/Pinion |
| Finderscope hole thread dimension | 8-32 |
| Weight of focuser | 4.798 pounds of which includes the 2" compression ring end cap |
| Racked In from Mounting Face | 5.236" w/Compression Ring End Cap |
| Racked Out from Mounting Face | 6.625" w/Compression Ring End Cap |
- Focuser Type
- Manual
Founded in the USA, Starlight Instruments specializes in precision focusers and optical products. Their well-engineered solutions cater to astrophotographers and visual astronomers looking for accurate, high-performance focusing, establishing a reputation for quality and reliability in the field of astronomy.
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