Skip to content
Price match 30-day returns* Talk to an astronomer before you buy
Orion Optics UK 85mm fixed adaptor ring to T mount 0.75 21mmBFD to fit ST-8300

Orion Optics UK 85mm fixed adaptor ring to T mount 0.75 21mmBFD to fit ST-8300

by Orion Optics UK
SKU OOUK-85MM-FIXED-ADAPTOR-RING-T-2
$296.47 USD - $296.47 USD
$296.47 USD
$296.47 USD - $296.47 USD
$296.47 USD
Price Match Policy!
  • Fits T mount 0.75
  • 21mm back focal distance
  • For AG and ODK telescopes
  • Individually machined to order in the UK
Backordered
Request Stock Alert
Availability Info
Qualifies for FREE Shipping in CONUS on orders over $350.
Vignetting Calculator

Will your imaging train vignette?

Check which filter and adapter sizes clear the sensor with the Orion Optics UK 85mm fixed adaptor ring to T mount 0.75 21mmBFD to fit ST-8300, and how much light the corners lose.

Check vignetting
  • Description
  • Specifications
  • In the Box
  • Warranty

  • 85mm Fixed Adaptor Ring -- T mount 0.75

    An 85mm fixed adaptor ring machined to fit T mount 0.75 with a back focal distance of 21mm.

    Mounting Cameras and Accessories

    For mounting cameras and accessories to Orion Optics UK's AG and ODK telescopes at the fixed 85mm ring interface.

  • Fits T mount 0.75
    Back focal distance 21mm

    • 85mm Fixed Adaptor Ring

      × 1

  • Orion Optics UK 1-Year Warranty