In stock
Center thickness, mm: 3
Clear aperture: >90
Coatings: uncoated
Dimensions tolerance, mm: (+0/-0.1)
Dimensions, mm: 20 x 20
Focal length tolerance, %: ±3
Focal length, mm: -25.84
Material: BK7
Protective chamfers: <0.25 mm x 45°
ROC S1, mm: -51.58
Surface quality, S-D: 20-10
Thickness tolerance, mm: ±0.1
Clear aperture: >90
Coatings: uncoated
Dimensions tolerance, mm: (+0/-0.1)
Dimensions, mm: 20 x 20
Focal length tolerance, %: ±3
Focal length, mm: -25.84
Material: BK7
Protective chamfers: <0.25 mm x 45°
ROC S1, mm: -51.58
Surface quality, S-D: 20-10
Thickness tolerance, mm: ±0.1
