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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 300mm f4 Standard 1/4pv mirror

Orion Optics UK 300mm F/4 Mirror

par Orion Optics UK
UGC OOUK-300MM-F4-STANDARD-1-4PV
$867.59 - $1,747.96
$867.59
$947.59
$947.59 - $1,827.96
$947.59
Égalisation de prix!
  • 300mm aperture, f/4
  • Standard grade, 1/4 PV wavefront accuracy
  • Hand-figured in the UK
  • Supplied with a Zygo interferometer test report
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  • Description
  • Specifications
  • In the Box
  • Warranty

  • 300mm f/4 Standard Grade Primary Mirror

    A 300mm f/4 Newtonian primary mirror hand-figured by Orion Optics UK to Standard grade (1/4 PV wavefront accuracy).

    Wavefront-Accuracy Grading

    Orion Optics UK hand-figures every primary mirror in-house to a wavefront-accuracy grade (Standard 1/4 PV, Professional 1/6 PV, Research 1/8 PV, or Ultra 1/10 PV) -- the smaller the fraction, the more precisely the surface matches a perfect parabola, and the sharper and higher-contrast the resulting image. Supplied with a Zygo interferometer test report.

  • Aperture 300mm
    Focal ratio f/4
    Grade Standard
    Wavefront accuracy 1/4 PV

    • 300mm f/4 Standard Primary Mirror

      × 1

  • Orion Optics UK 1-Year Warranty