CASSINI
 

#PMSMMF-80
3 PC. SET - Cassini 80mm Primary Mirror, 31mm x 22mm Secondary Mirror w/Cells, 1.25" Metal 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

Cassini 80mm Primary and Secondary Mirror Sets
#PMSMMF-80 3 PC. SET - Cassini 80mm Primary Mirror, 31mm x 22mm Secondary Mirror w/Cells, 1.25" Metal Focuser
M.S.R.P $34.99

 

 
 
 
 
   
   
 

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