9321142

Clear aperture: >90
Coatings: High Reflection
Comments: One side polished
Dimensions, mm: 30 x 10
Material: Borofloat
Metallic coating on S1: Al
Protection Coating: MgF2
ROC S1, mm: -27.5
S1 Surface quality, S-D: 40-20
Thickness, mm: 3
Configuration: Plano/Concave
Wedge / Parallelism error: < 10 arcsec