Description

Starlight Instruments 3.5 Feather Touch R P Focuser

The Starlight Instruments 3.5″ Feather Touch R P Focuser has a lifting capacity of 18 to 20 pounds. It comes in drawtube travel of 1.375″ and 4.5″. Starlight Instruments offers a custom 3.5″ focuser for the Takahashi FSQ-106.

Feather Touch Focusers by Starlight Instruments are know for their quality and craftsmanship. They are offered as a standard feature by some of the most recognized telescope manufactures including: Astro-Physics, TEC, Lunt, Tele Vue, CFF Telescopes, Celestron, Takahashi, Borg, APM, Obsession, William Optics, Teeters Telescopes, Orion Optics and New Moon Telescopes.

Starlight Instruments designs, machines, anodizes and assembles the components in-house allowing for superior quality control. A Feather Touch Focuser is an absolute must for astrophotography, in addition to making visual use a joy.

Standard Features Include:

• Ultra-smooth coarse fine focus knobs (10:1 Ratio)
• Rotatable
• Brake Adjustment Screw
• Glare resistant black internal baffling
• Durable hardened stainless steel, steel, and aluminum construction
• Anodized aluminum fine focus knob
• Standard Drawtube with nylon
• Tipped stainless steel set screws (gentle on eyepieces)
• Ultra-Low backlash system for accurate control
• Sleek aesthetic design
• Designed, machined, and assembled in the U.S.A.

• Technical Specifications

  1.375″ Travel Drawtube Option

  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		10:01
  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

  4.5″ Travel Drawtube Option

  Known To Fit		Large Refractors
  Lifting Capacity		18-20 pounds
  Draw Tube Thread		4 3 32 X24TPI thread on vizual side of draw tube
  Draw Tube Travel		4.5″ 114.30MM
  Accessory		Locking Collar 5.125×24 Female Thread
  Other Info		Focuser weighs 6 pounds
  Draw Tube Drive Mechanism		Rack Pinion
  Finderscope hole thread dimension		8-32
  Reduction Ratio		10:01
  Weight of focuser		5.938 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		9.736″ w Compression Ring End Cap

  In the Box

  Focuser

  Manual & Warranty

  Starlight Instruments Lifetime Warranty

  Starlight Instruments Feather Touch Focusers Brochure

  Model	1.375" Travel, 4.5" Travel