In stock
Center thickness, mm: 2.30
Centration error: <3 arcmin
Coatings: uncoated
Dimensions, mm: Ø12.5
Focal length tolerance, %: ±2
Focal length, mm: +50
Material: CaF2
ROC S1, mm: +21.64
Surface quality, S-D: 60-40
Centration error: <3 arcmin
Coatings: uncoated
Dimensions, mm: Ø12.5
Focal length tolerance, %: ±2
Focal length, mm: +50
Material: CaF2
ROC S1, mm: +21.64
Surface quality, S-D: 60-40
