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Large 203mm SPHERICAL Primary Mirror for Astronomical Telescopes (750mm FL)

Large 203mm SPHERICAL Primary Mirror for Astronomical Telescopes (750mm FL)

$ 63.35

Availability: 100 in stock
  • Item must be returned within: 30 Days
  • Telescope Type: Spherical reflection objective
  • Brand: Unbranded
  • Condition: New
  • Custom Bundle: No
  • Type: Does not apply
  • EAN: Does not apply
  • Item Diameter: 203mm
  • UPC: Does not apply
  • Return shipping will be paid by: Buyer
  • Country/Region of Manufacture: China
  • Compatible Brand: Universal
  • Restocking Fee: No
  • Focal Length: Focal length: 750mm
  • All returns accepted: Returns Accepted
  • Compatible Series: Universal
  • Refund will be given as: Money Back
  • Condition:: New

    Description

    Spherical mirror
    Mirror Diameter: 203mm
    Focal Length: 750mm
    Focal ratio: 750/203 = 3.69
    Mirror substrate: float glass
    Reflectivity=86%
    Optical quality: Diffraction imaging limit of 1/4 λ
    Aluminized: 89% SiO2 surface aluminized
    FREE shipping in the Continental U.S.