In stock
Center thickness, mm: 2
Centration error: <3 arcmin
Clear Aperture: >90
Coatings: uncoated
Wavelength, nm: 632.8
Dimensions tolerance, mm: +0/-0.1
Dimensions, mm: Ø21
Focal length tolerance, %: ±3
Focal length, mm: -40
Material: UVFS C7980 0F
Protective chamfers: <0.25 mm x 45°
ROC S1, mm: -18.28
S1 Flatness, PV IR S2 Flatness, PV: <λ/4 @ 632.8 nm
Surface quality, S-D: 40-20
Thickness tolerance, mm: ±0.1
Centration error: <3 arcmin
Clear Aperture: >90
Coatings: uncoated
Wavelength, nm: 632.8
Dimensions tolerance, mm: +0/-0.1
Dimensions, mm: Ø21
Focal length tolerance, %: ±3
Focal length, mm: -40
Material: UVFS C7980 0F
Protective chamfers: <0.25 mm x 45°
ROC S1, mm: -18.28
S1 Flatness, PV IR S2 Flatness, PV: <λ/4 @ 632.8 nm
Surface quality, S-D: 40-20
Thickness tolerance, mm: ±0.1
