1.25″ Rack and Pinion focuser for Reflector Telescope

• Product Description:
  Upgrade your reflector telescope with this high-precision rack and pinion focuser, engineered for buttery-smooth focusing and zero image shift. Ideal for deep-sky observing and astrophotography, its dual-speed fine adjustment ensures crisp, vibration-free focus on planets, nebulae, and galaxies.

  ---

  Key Features:

  ✔ Dual-Speed Mechanism – 1:10 Micro-Focus Ratio for sub-millimeter precision
  ✔ All-Metal Construction – CNC-machined aluminum with brass gears (no plastic!)
  ✔ Low-Profile Design – Maximizes backfocus for DSLR/CCD compatibility
  ✔ 360° Rotatable – Flexible eyepiece positioning for comfortable viewing
  ✔ Standard Sizing – Fits 1.25″ & 2″ eyepieces (adapter included)

  ---

  Technical Specs:

  • Travel Range: 35–50mm (model-dependent)

  • Gear Type: Helical-cut brass pinion + steel rack (zero backlash)

  • Mounting: Bolt-on (fits most Newtonian reflectors)

  • Weight: ~500g (lightweight yet rigid)

  ---

  Why Astronomers Love It:

  • Eliminates Focuser “Wobble” – Tight tolerances prevent sag with heavy cameras

  • Silent Operation – No grating sounds during night sessions

  • Upgrade-Ready – Compatible with motor focusers (e.g., MoonLite)

  Includes:

  • 1 x Rack & pinion focuser

  • 2″ to 1.25″ reducer adapter

  • Mounting screws