9427172

Clear aperture: >90
Coatings: AR/AR(R<0.3%)@700-900 nm
Dimensions tolerance, mm: +0/-0.6
Dimensions, mm: Ø25.4
Dimensions, mm: 25.4
Edge thickness, mm: >4
Focal length tolerance, %: ±1
Focal length, mm: +4000
Material: BK7
Surface quality, S-D: 40-20