Plano-convex lens
Cradley Investments
Material quality
Laser Grade without boundaries and visible inclusions
Range of Sizes
Diameter : 5 - 76.2 +0/-0.10 mm
Edge Thickness : 2 - 12 /-0.10 mm
Thickness(radiused) : 2 - 5 /-0.05 mm
Range of Effective Focal Length (EFL)
12.7-254.0 /- 2 %
Clear Aperture (polished)
90% of diameter
Surface Figure (power-irregularity) at 0.63 microns
Plano: 1 fringe - 0.5 fringe per inch
Radiused : varies dependent upon radius
Surface Quality: Scratch-Dig
80/50, 60/40, 40/20 : per MIL-0-13830
AR Coating Reflectivity at 10.6 microns
0.25%
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