In stock
Centration error: <3 arcmin
Clear aperture: >90
Coatings: uncoated
Dimensions tolerance, mm: +0/-0.1
Dimensions, mm: 12.7
Edge thickness, mm: 5
Focal length tolerance, %: ±3
Material: BK7
Protective chamfers: <0.25 mm x 45°
ROC S1, mm: -250
ROC tolerance, %: ±1
Surface quality, S-D: 40-20
Thickness tolerance, mm: ±0.1
Clear aperture: >90
Coatings: uncoated
Dimensions tolerance, mm: +0/-0.1
Dimensions, mm: 12.7
Edge thickness, mm: 5
Focal length tolerance, %: ±3
Material: BK7
Protective chamfers: <0.25 mm x 45°
ROC S1, mm: -250
ROC tolerance, %: ±1
Surface quality, S-D: 40-20
Thickness tolerance, mm: ±0.1
