9399489

Center thickness, mm: 2.98
Centration error: <3 arcmin
Clear aperture: >90
Coatings: uncoated
Dimensions tolerance, mm: (+0/-0.1)
Dimensions, mm: Ø12.7
Edge thickness, mm: 2.84
Focal length tolerance, %: ±3
Focal length, mm: +4000
Material: UVFS
ROC S1, mm: 1828±5%
Surface quality, S-D: 40-20