160mm Diameter
Diffraction Limited L4 (1/4 wave in Sodium Light)
Plate Glass
Aluminized(92%) and SiO(Quartz Overcoat)
Resolving Power(arc seconds): .97
FL (focal length) 1300mm
Pre Set Collimation Dot
Hand Crafted and Ronchi Tested for high Reflectivity.
- 160mm Diameter
- FL (focal length) 1300mm
- Plate Glass
- Aluminized(92%) and SiO(Quartz Overcoat
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