Specifications
F: 60.9
CA: 401.1
V: 69.9
H: 254.3
D1: 197.6
D2: 157.5
T (mm): 1.27
Specifications: Focal Length (F): +/- .13
Focus1 to Focus2 (F1-F2): +/- .80
Clear Aperture (C.A): +/- .25
Vertex (V): +/- .13
Height (H): +/- .40
Thickness (T): +/- .13
Surface Finish: 4 microns RMS ?= 9 waves@6328A