In stock
Coatings on S1: Protected Silver
Surface quality, S1/S2: 40-20 S/D
Surface irregularity (PV), S1/S2:
Protective chamfers: 0.2-0.3 mm x 45 deg
Material: H-K9L
Focal length, mm: +200 mm
Diameter, mm: 38.1 mm (+0/-0.1 mm)
Clear aperture: >90 %
Centration error: <3 arcmin
Edge thickness, mm: 6 mm (+/-0.1 mm)
Surface quality, S1/S2: 40-20 S/D
Surface irregularity (PV), S1/S2:
Protective chamfers: 0.2-0.3 mm x 45 deg
Material: H-K9L
Focal length, mm: +200 mm
Diameter, mm: 38.1 mm (+0/-0.1 mm)
Clear aperture: >90 %
Centration error: <3 arcmin
Edge thickness, mm: 6 mm (+/-0.1 mm)
