In stock
Material: Corning HPFS 7980 0F
ROC S1, mm: +228.51
Surface flatness (flat surface), PV: <λ/4 @ 632.8 nm
Surface quality, S-D: 40-20 (both faces)
ROC tolerance: 3 fringes
Protective chamfers: 0.1-0.25 mm x 45°
Material: UVFS (Corning 7980 0F)
Material: UVFS
Edge thickness, mm: (2.1)
Dimensions, mm: Ø21 (+0/-0.1)
Wavelength, nm: 632.8
Coatings: Uncoated
Clear Aperture: >90
Centration error: <3 arcmin
Center thickness, mm: 2.3 (±0.1)
Focal length, mm: +500
Surface irregularity (spherical surface), PV: <λ/4 @ 632.8 nm
ROC S1, mm: +228.51
Surface flatness (flat surface), PV: <λ/4 @ 632.8 nm
Surface quality, S-D: 40-20 (both faces)
ROC tolerance: 3 fringes
Protective chamfers: 0.1-0.25 mm x 45°
Material: UVFS (Corning 7980 0F)
Material: UVFS
Edge thickness, mm: (2.1)
Dimensions, mm: Ø21 (+0/-0.1)
Wavelength, nm: 632.8
Coatings: Uncoated
Clear Aperture: >90
Centration error: <3 arcmin
Center thickness, mm: 2.3 (±0.1)
Focal length, mm: +500
Surface irregularity (spherical surface), PV: <λ/4 @ 632.8 nm
