Feather Touch® 3.5″ Diameter Dual Speed Focuser Kit, 1.375″ Draw Tube Travel and Brake

Code: FTF3515B-A
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 5.216 pounds of which includes the standard adapter and 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


In stock (can be backordered)

In stock (can be backordered)


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 a Finder Scope Bracket is required, please choose appropriate option from the drop down box.


Additional information

Weight 6 lbs
Dimensions 18 × 14 × 10 in


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