USED FOR DISPLAY
These plastic reflector telescope mirror cells are designed for an 800mm FL x 90mm Reflector Telescopes with a 117mm outer diameter OTA and have been used for display at trade shows.
Mirrors may need some light cleaning or have some slight nearly imperceptable 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 would like.
90mm Spherical Primary Mirror (FOCAL LENGTH: 800mm) + Cell
Hardware to bolt to your own tube (OTA-Optical Tube Assembly)
OTA caps included.
ID (Inner Diameter) of primary and secondary Mirror Cells: 118mm
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
Color on cell may vary --may be like photo(Charcoal) or maybe Gray or Black..but very similar
FREE ship rate is for within the Continental U.S.
Filed under: Eyepieces & Accessories