In stock
S1 Surface quality, S-D: 20/10 S/D
S2 Surface quality, S-D: Commercially polished
Protective chamfers: <0.25 mm x 45°
S1 Flatness, PV: <λ/8@633 nm
Material: BK7 (H-K9L)
Dimensions, mm: 20.0 x 40.0 mm (+0.0/-0.1 mm)
Coatings: uncoated
Clear aperture: >90%
Thickness, mm: 6.0 mm (+/-0.2 mm)
Parallelism error: <5 arcmin
S2 Surface quality, S-D: Commercially polished
Protective chamfers: <0.25 mm x 45°
S1 Flatness, PV: <λ/8@633 nm
Material: BK7 (H-K9L)
Dimensions, mm: 20.0 x 40.0 mm (+0.0/-0.1 mm)
Coatings: uncoated
Clear aperture: >90%
Thickness, mm: 6.0 mm (+/-0.2 mm)
Parallelism error: <5 arcmin
