In stock
Center thickness, mm: 3.5
Centration error: <3 arcmin
Clear aperture: >90
Coatings: uncoated
Dimensions tolerance, mm: (+0/-0.1)
Dimensions, mm: 30
Edge thickness, mm: 2.5
Focal length tolerance, %: ±1
Focal length, mm: +250
Material: UVFS
Protective chamfers: 0.2-0.3 mm x 45°
ROC S1, mm: +112.4
S1 Flatness, PV IR S2 Flatness, PV: <λ/4 @ 632.8 nm
Surface quality, S-D: 20-10
Thickness tolerance, mm: ±0.1
Centration error: <3 arcmin
Clear aperture: >90
Coatings: uncoated
Dimensions tolerance, mm: (+0/-0.1)
Dimensions, mm: 30
Edge thickness, mm: 2.5
Focal length tolerance, %: ±1
Focal length, mm: +250
Material: UVFS
Protective chamfers: 0.2-0.3 mm x 45°
ROC S1, mm: +112.4
S1 Flatness, PV IR S2 Flatness, PV: <λ/4 @ 632.8 nm
Surface quality, S-D: 20-10
Thickness tolerance, mm: ±0.1
