160mm Spherical Primary Mirror for Astronomical Reflecting Telescopes
Diffraction Limited Optics (1/4 Wave in Sodium Light)
FL (focal length): 1300mm
Aluminized (92%) and SiO (Quartz Overcoat)
Resolving Power (arc seconds): .72
Hand crafted and Ronchi tested
Pre -Set Collimation Dot
FREE SHIPPING within the Continental U.S.
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Filed under: Eyepieces & Accessories