Alpine Astronomical Baader Diamond Steeltrack Crayford Focuser for Refractors

Alpine Astronomical Baader Diamond Steeltrack Crayford Focuser for Refractors

Alpine Astronomical Baader Diamond Steeltrack Crayford Focuser for Refractors

B&H # ALBDSRT MFR # BDS-RT
Special Order
Expected availability: 7-14 business days

Product Highlights

  • Holds up to 13 Pounds
  • For Refractor OTAs
  • 2" Eyepiece Holder
  • Zero Backlash or Flex
  • 10:1 Dual Speed Mechanism
  • 80mm Total Travel Distance
  • Zero-Shift Locking Knob
  • Focus Scale for Repeatability
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You Pay: $384.00

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Alpine Astronomical BDS-RT overview

  • 1Description

Capable of holding an impressive 13 pounds (6kg) of gear, the Alpine Astronomical Baader Diamond Steeltrack 2" Crayford Focuser is an ideal upgrade for your refractor to improve precision and increase payload capacity over the stock focuser.

Unlike conventional rack-and-pinion focusers, Crayfords utilize a tension rod to move the drawtube forward and back. This eliminates the settling and backlash that tend to occur on geared focusers, enabling a level of precision that rack-and-pinion systems cannot. The large drawtube resists twisting and flexing under heavy loads so even the biggest eyepieces and gear remain optically centered for improved views and images. In addition to this already impressive performance is a coarse and fine 10:1 dual focusing mechanism with 80mm of drawtube travel, a zero-shift focus lock to prevent the focus from slipping, and a focusing scale on the tube for precise focus repeatability. Threads on the eyepiece side enable the direct connection of various accessories such as diagonals and Click-Lock holders, plus T-mount adapters and rings.

In the Box
Alpine Astronomical Baader Diamond Steeltrack Crayford Focuser for Refractors
  • Limited 2-Year Warranty
  • Table of Contents
    • 1Description

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