135mm Spherical Primary Mirror with Cell for Reflector Telescope Builder For Sale
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135mm Spherical Primary Mirror with Cell for Reflector Telescope Builder :
$39.99
USED FOR DISPLAY
Only this one left!
Metal reflector telescope mirror cell is designed for an 1100mm FL x 135mm Reflector Telescope with a 170mm outer diameter OTA and have been used for display at trade shows.
Mirror mayneed some light cleaningor have some slight nearly imperceptible scratches from handling. For those of you in the know, minor signs of use should not affect the views if you plan to build your own. We can include a copy of mirror cleaning instructions if you wouldlike.
Set includes:
- 135mm Spherical Primary Mirror (FOCAL LENGTH: 1100mm) installed in a170mm Inner Diameter Metal Cell designed to fit 170mm Outer Diameter tube.
- Hardware to bolt to your own tube (OTA-Optical Tube Assembly)
- One OTA plastic end cap included.
ID (Inner Diameter) of primary Mirror Cell: 170mm
Collimation Dot
Diffraction limited optics (1/4 wve in Sodium Light)
Plate Glass (Both Primary & Secondary)
Aluminized (92%) and SiO(Quartz Overcoat)
Heavy Duty Push/Pull Collimation Screws on back of Primary Cell
Resolving power in arc seconds: 1.4
Paint color: Black
FREE ship rate is for within the Continental U.S.
