In stock
Material: BK7 (H-K9L acceptable)
Thickness, mm: 5.0 mm (+/-0.1 mm)
S2 Surface quality, S-D: 10/5 S/D
S1 Surface quality, S-D: 10/5 S/D
S1 Flatness, PV: <λ/10@633 nm
Parallelism error: <30 arcsec
Diameter, mm: 20.0 mm (+0.0/-0.1 mm)
Coatings: uncoated
Clear aperture: >90%
Protective chamfers: <0.25 mm x 45°
Thickness, mm: 5.0 mm (+/-0.1 mm)
S2 Surface quality, S-D: 10/5 S/D
S1 Surface quality, S-D: 10/5 S/D
S1 Flatness, PV: <λ/10@633 nm
Parallelism error: <30 arcsec
Diameter, mm: 20.0 mm (+0.0/-0.1 mm)
Coatings: uncoated
Clear aperture: >90%
Protective chamfers: <0.25 mm x 45°
