9342764

Centration error: <3 arcmin
Clear aperture: >90
Coatings: High Reflection
Dimensions, mm: Ø20
Material: BK7
Metallic coating on S1: Al
Protection Coating: SiO2
ROC S1, mm: -400
S1 Surface quality, S-D: 40-20
Thickness, mm: 5
Configuration: Plano/Concave