In stock
Clear Aperture: >90
Dimensions tolerance, mm: ±0.1
Major axis, mm: 28
Material: N-BK7 or equivalent
Metallic coating on S1: Metallic R > 97% @ 620 - 680 nm, AOI = 45 ±20°
Minor axis, mm: 20
S1 Surface quality, S-D: 80-50
S2 Surface quality, S-D: 80-50
Thickness tolerance, mm: ±0.15
Thickness, mm: 2
Wedge / Parallelism error: < 30 arcsec
Dimensions tolerance, mm: ±0.1
Major axis, mm: 28
Material: N-BK7 or equivalent
Metallic coating on S1: Metallic R > 97% @ 620 - 680 nm, AOI = 45 ±20°
Minor axis, mm: 20
S1 Surface quality, S-D: 80-50
S2 Surface quality, S-D: 80-50
Thickness tolerance, mm: ±0.15
Thickness, mm: 2
Wedge / Parallelism error: < 30 arcsec
