-40%
14 1/4 in  Newtonian Reflecting Astronomical Telescope Primary Parabolic Mirror
14 1/4 in  Newtonian Reflecting Astronomical Telescope Primary Parabolic Mirror
14 1/4 in  Newtonian Reflecting Astronomical Telescope Primary Parabolic Mirror

14 1/4 in  Newtonian Reflecting Astronomical Telescope Primary Parabolic Mirror

$ 419.76

Availability: 100 in stock
  • Brand: Coulter
  • Type: Telescope Mirrors
  • Item Diameter: 14 & 1/4 inch
  • Telescope Type: Reflector
  • Condition: Open box
  • All returns accepted: ReturnsNotAccepted

    Description

    Coulter 14&1/4in F7 Parabolic Telescope Mirror
    Mirror was purchased from Coulter around 1968 for atelescope project I never finished.
    Soit was never used.
    Mirror material:
    Pyrex
    Mirror Thickness:
    2.25 inches thick.
    Mirror Diameter:
    14.25 inches
    =
    362mm
    Mirror focal ratio:
    F7
    Mirror Focal length:
    99.75inches
    =
    2534mm
    Figure Quality was advertised by Coulter as 1/25
    th
    wave.
    I have not tested it, so I can’tguarantee the figure is that good.
    Coating is in great shape.
    It has been covered since new.
    This item currently resides in my Pak-Rat heaven andneeds to find a new home.
    All Photos areof the actual item being offered for sale. Please view them carefully and askany questions you may have prior to bidding.
    Shipping will be on or before the Saturday following the end of theauction.
    No returns, unless I ship you aRocket Motor or something by mistake. Thank you for looking at my auction, andhappy bidding.