In stock
Center thickness, mm: 3.5
Centration error: <1 arcmin
Coatings: uncoated
Dimensions, mm: Ø12.7
Edge thickness, mm: 2.7
Focal length, mm: +50
Material: UVFS
Protective chamfers: <0.25 mm x 45°
ROC S1, mm: +23
Surface quality, S-D: 20-10
Centration error: <1 arcmin
Coatings: uncoated
Dimensions, mm: Ø12.7
Edge thickness, mm: 2.7
Focal length, mm: +50
Material: UVFS
Protective chamfers: <0.25 mm x 45°
ROC S1, mm: +23
Surface quality, S-D: 20-10