In stock
Dimensions, mm: Ø25.4 (+0/-0.1)
Surface irregularity (spherical surface), PV: <λ/4 @ 632.8 nm
Surface flatness (flat surface), PV: <λ/4 @ 632.8 nm
S2: AR (R<0.25%) @ 1064 nm
S1: AR (R<0.25%) @ 1064 nm
ROC S1, mm: -34.28
Protective chamfers: <0.25 mm x 45°
Surface quality, S-D: 40-20
Focal length, mm: -75 (±3%)
Material: UVFS
Angle of Incidence (AOI), °: 0
Center thickness, mm: 3.1 (±0.1)
Centration error: <3 arcmin
Clear Aperture: >90
Coating technology: E-beam
Coatings:
Wavelength, nm: 632.8
Surface irregularity (spherical surface), PV: <λ/4 @ 632.8 nm
Surface flatness (flat surface), PV: <λ/4 @ 632.8 nm
S2: AR (R<0.25%) @ 1064 nm
S1: AR (R<0.25%) @ 1064 nm
ROC S1, mm: -34.28
Protective chamfers: <0.25 mm x 45°
Surface quality, S-D: 40-20
Focal length, mm: -75 (±3%)
Material: UVFS
Angle of Incidence (AOI), °: 0
Center thickness, mm: 3.1 (±0.1)
Centration error: <3 arcmin
Clear Aperture: >90
Coating technology: E-beam
Coatings:
Wavelength, nm: 632.8
