In stock
Center thickness, mm: 2.15
Centration error: <3 arcmin
Clear aperture: >90
Coatings: AR coated
Dimensions tolerance, mm: +0/-0.05
Dimensions, mm: 44
Edge thickness, mm: 4.01
Focal length tolerance, %: ±1
Focal length, mm: +201.6
Material: N-F2
Protective chamfers: <0.25 mm x 45°
Surface quality, S-D: 60-40
Thickness tolerance, mm: ±0.05
Centration error: <3 arcmin
Clear aperture: >90
Coatings: AR coated
Dimensions tolerance, mm: +0/-0.05
Dimensions, mm: 44
Edge thickness, mm: 4.01
Focal length tolerance, %: ±1
Focal length, mm: +201.6
Material: N-F2
Protective chamfers: <0.25 mm x 45°
Surface quality, S-D: 60-40
Thickness tolerance, mm: ±0.05