9651595

Surface quality, S-D: 40-20
S1 Flatness, PV IR S2 Flatness, PV: <λ/2 @ 632.8 nm
ROC S2, mm: 70.1757
ROC tolerance, %: ±1
Dimensions, mm: Ø54
Thickness tolerance, mm: ±0.05
Protective chamfers: <0.5 mm x 45°
Material: N-SF57HT
Dimensions tolerance, mm: +0/-0.05
Wavelength, nm: 632.8
Coatings: AR(R<0,5%)@1054-1074nm + AR(R<1%)@1557-1587nm, AOI = 0-30deg
ROC S1, mm: 208.7855
Centration error: <1 arcmin
Center thickness, mm: 7
Clear aperture: > 51 mm, S1/ 52 mm S2