Starlight Inst. 2" Feather Touch Focuser with Brake, Compression Ring & 1.5" Travel Drawtube

Starlight Inst. 2" Feather Touch Focuser with Brake, Compression Ring & 1.5" Travel Drawtube
$405.00
Item # SI-FTF2015BCR
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  • Who doesn't want a Starlight Instruments Feather Touch Focuser? This 2" Advanced Crayford 10:1 reduction focus assembly has a low profile drawtube with 1.5" of travel.
  • The 2015BRC Feather Touch comes with the braking option, which allows you to adjust the friction between the pinion and the drawtube; especially good for refractor owners.
  • This Feather Touch also comes with a brass compression ring.
  • The Feather Touch model 2015BCR is great for refractors and Newtonians (with the proper base plate). It is recommended for fork-mounted Celestron 11" & 14" SCT's, the Meade LX90 10", RCX400 (ACF400) 10", 12", and 14", as well as the 16" LX200 & RCX400. All SCT's that are equatorially mounted should use the lower profile 1.5" 2015BCR. Add the proper SCT or eyepiece adapter for your telescope...they are sold separately. You can even add motorized focus capabilities! Check the "Accessories" tab to your left for more information.
Description

Details

The patented Advanced Crayford design, with the Original 10:1 Reduction Fine Focus assembly, gives the Starlight Instruments Feather Touch Focuser a buttery smooth feel, allowing you to achieve perfect focus with a minimum of effort. All high load areas are precision ground-hardened steel on hardened steel. The Feather Touch just won’t wear out, but for extra assurance Starlight Instruments offers a Limited Lifetime Warranty!

Starlight Instruments Feather Touch Focuser Standard Features...

  • Ultra-smooth coarse/fine focus knobs (10:1 Ratio)

  • Durable hardened stainless steel, steel, and aluminum construction

  • Standard Draw Tube with nylon-tipped stainless steel set screws (gentle on eyepieces)

  • 52mm threaded Draw Tube. This will accommodate permanent or semi-permanent filters if desired, such as Light Pollution Filters, clear filters for dust protection, etc. Step down adapters that reduce the 52 mm thread to 48 mm threads are available.

  • Glare resistant black internal baffling

  • Anodized aluminum fine focus knob

  • Ultra-Low backlash system for accurate control

  • Sleek aesthetic design

About the Feather Touch Compression Ring...

The brass Compression Ring acts as a buffer between the thumb screws and your eyepieces so that it will not mar them. The Compression Ring also has improved holding power over the nylon tipped screws. There are two thumb screws on draw tubes with the Compression Ring. The right screw is used for 2" eyepieces and the left screw is used for 1.25" eyepieces. The left thumb screw is nylon-tipped and can also be used in addition to the right thumb screw. When used with the 1.25"-2" zero length adapter, the left thumb screw is used to hold the 1.25"eyepiece in place.

About the Internal Brake System...

The brake option was designed to allow users of refractor type applications the ability to gradually increase the friction between the pinion and the drawtube. In the non-brake version of the Feather Touch Focuser a thumb screw is used to lock the pinion shaft and to also increase the amount of drag on the drawtube. This system, however, has very little range when trying to control the drag. The brake consists of an internal leveraged leaf spring that is tightened with a thumbscrew, thereby allowing a much greater control of the drag. By adjusting the thumb screw on the pinion block this lever presses a friction pad onto the pinion , thereby increasing the torque that is needed to turn the focus knobs. If the thumb screw is turned all the way in, the pinion shaft and the draw tube will be locked. Opposite this thumb screw is a small set screw that is factory set and should not be adjusted by the customer.

Additional Information

Additional Information

SKU SI-FTF2015BCR
Manufacturer Starlight Instruments
Focuser Design Feathertouch
Focuser or Mask Size 2" Drawtube
Focus Control Manual
Warranty Lifetime Warranty
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