In stock
Centration error: <1 arcmin
Clear aperture: >90
Coatings: AR/AR @ 1020-1070
Dimensions tolerance, mm: (+0/-0.15)
Dimensions, mm: Ø50.8
Edge thickness, mm: 3.30
Focal length tolerance, %: ±1
Focal length, mm: +200
Material: BK7
ROC S1, mm: +101.82
Surface quality, S-D: 40-20
Clear aperture: >90
Coatings: AR/AR @ 1020-1070
Dimensions tolerance, mm: (+0/-0.15)
Dimensions, mm: Ø50.8
Edge thickness, mm: 3.30
Focal length tolerance, %: ±1
Focal length, mm: +200
Material: BK7
ROC S1, mm: +101.82
Surface quality, S-D: 40-20
