In stock
Center thickness, mm: 2.85
Clear aperture: >90
Coatings: uncoated
Dimensions, mm: 21
Edge thickness, mm: 3.5
Focal length, mm: -200
Material: UVFS
S1 Flatness, PV IR S2 Flatness, PV: <λ/4 @ 632.8 nm
Surface quality, S-D: 40-20
Clear aperture: >90
Coatings: uncoated
Dimensions, mm: 21
Edge thickness, mm: 3.5
Focal length, mm: -200
Material: UVFS
S1 Flatness, PV IR S2 Flatness, PV: <λ/4 @ 632.8 nm
Surface quality, S-D: 40-20
