Specifications
F: 21.0
CA: 124.5
V: 15.9
H: 64.3
D1: 43.5
D2: 77.0
T (mm): 0.76
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