Material: BK7 grade A optical glass
Design Wavelength: 632.8nm.
Design Index : n=1.5147
Surface Figure: x:¦Ë/2; y:2¦Ë
Dimension Tolerance: ¡À0.2mm
Paraxial Focal Length:¡À1%
Centration :3 arc minutes
Clear Aperture :>80%
Surface Quality: 60-40 scratch and dig
Bevel: 0.25 mm at 45¡ã
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