Skip to content

Telescope Accessories & Parts

8 Items

Astro Systems 1.25" Autocollimator Eyepiece - AUTOCOL

SKU: AST-AUTOCOL
  • This AstroSystems 1.25" Autocollimator fine tunes optical alignment following the use of the LightPipe/SightTube or laser collimator.
  • Uses a flat mirror to provide the optical system with a second reflection.
  • Doubles the accuracy of a Cheshire, LightPipe, or laser collimator.
  • Comes with a 14-page instruction booklet.
$56.00

Astro Systems Secondary Dew Guard For 1.3" to 2.14" Secondary Mirrors - DG1

SKU: AST-DG1
  • Known to Fit by Aperture: Secondary Mirrors
  • Known to Fit by Model: 1.3" to 2.14" Newtonian Secondary Mirrors
$46.00

Astro Systems Secondary Dew Guard 2.6" to 3.1" Secondary Mirrors - DG2

SKU: AST-DG2
  • Known to Fit by Aperture: Secondary Mirrors
  • Known to Fit by Model: 2.6" to 3.1" Newtonian Secondary Mirrors
$52.00

Astro Systems Secondary Dew Guard 3.5" to 6.0" Secondary Mirrors - DG3

SKU: AST-DG3
  • Known to Fit by Aperture: Secondary Mirrors
  • Known to Fit by Model: 3.5" to 6.0" Newtonian Secondary Mirrors
$58.00

Astro Systems Lite Pipe / Site Tube Combo - 1.25" - LPST

SKU: AST-LPST
  • This AstroSystems collimator combines LightPipe and SiteTube collimators into one simple, low-cost device.
  • LightPipe accurately aligns Newtonian reflector telescope optics, while the SightTube accurately aligns the focuser with the secondary mirror.
  • Construction consists of precision-designed anodized aluminum, acrylic insert, and stainless steel crosshair wires.
  • Comes with a 14-page instruction booklet.
$56.00

Astro Systems 2" to 1.25" Standard Eyepiece Adapter - SEA

SKU: AST-SEA
  • The Standard Eyepiece Adapter is designed to let users use 1.25" eyepieces with a telescope that accept 2" eyepieces.

  • Astro Systems has designed this adapter out of anodized aluminum.

  • The Astro Systems Eyepiece Adapter is threaded for 48 mm filters.

  • Included with this adapter is a polished stainless steel set screw.
$33.00

AstroSystems Dew Shield for Telrad Finder

SKU: AST-TRDDEW
  • Known to Fit by Aperture: Telrad Finders
  • Known to Fit by Model: Telrad Finders
$21.00

Astro Systems 2" to 1.25" Ultra-Low Eyepiece Adapter - ULA

SKU: AST-ULA
  • Using this eyepiece adapter will lower the profile of a 1.25" eyepiece by 0.5" below the drawtube.

  • Astro System's Ultra-Low eyepiece adapter is compatible with any 2" focuser.

  • The adapter has an internal diameter is 1.9" (48.2 mm).

  • Included with the Astro Systems adapter is a compression ring and hex key.
$31.00