#PMSMMF-80 3 PC. SET - Cassini 80mm Primary Mirror, 31mm x 22mm Secondary Mirror w/Cells, 1.25" Plastic Focuser
80mm Spherical Primary Mirror + Cell 800mm focal length 31mm X 22mm Secondary Mirror + Cell Primary and Secondary Cell Specs: ID (Inner Diameter) of Cells: 118mm - Fits 117mm Tube Primary Mirror Collimation Dot Diffraction limited optics(1/4 wave 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 4 Vane Spider Cell for Secondary (31mm X 22mm) Secondary average obstruction: 25% (linear) app 6% total area. Resolving power in arc seconds: 1.4
#PMSMMF-80 3 PC. SET - Cassini 80mm Primary Mirror, 31mm x 22mm Secondary Mirror w/Cells, 1.25" Plastic Focuser M.S.R.P $26.99
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