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IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.
IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.
Orion Optics UK AG20 Optical Tube Assembly Only

Orion Optics UK AG20 Optical Tube Assembly Only

by Orion Optics UK
SKU OOUK-AG20-OPTICAL-TUBE-ASSEMBLY-ONLY
$29,756.40 - $29,756.40
$29,756.40
$29,756.40 - $29,756.40
$29,756.40
Price Match Policy!
  • Largest model in the AG Astrograph range
  • Carbon-fibre-sandwich tube
  • CERES 3" (76.2mm) focuser standard
  • Built to order in the UK
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Visual Simulator Preview
Visual Simulator Instant FOV Preview

Preview your eyepiece's FOV

Simulate the exact field of view of the Orion Optics UK AG20 Optical Tube Assembly Only with your specific telescope.

Launch Visual Assistant
Framing Simulator Preview
Framing Simulator Instant FOV Preview

Preview your camera's FOV

Simulate the exact field of view of the Orion Optics UK AG20 Optical Tube Assembly Only with your specific telescope.

Launch Imaging Assistant
  • Description
  • Specifications
  • In the Box
  • Warranty

  • AG20 Astrograph

    The AG20 is the largest model in Orion Optics UK's AG Astrograph range -- a precision computer-designed, hand-built carbon-fibre-sandwich astrograph with a wide, flat field, supplied as standard with the CERES 3" (76.2mm) focuser.

    The Largest AG Astrograph

    Air cooling fans are fitted as standard in the main mirror cell. Individually built to order in the UK; contact Orion Optics UK for full AG20 specification.

  • Range AG Astrograph
    Focuser CERES 3" (76.2mm)

    • AG20 Optical Tube Assembly

      × 1

  • Orion Optics UK 1-Year Warranty