Material: BK7 grade A optical glass
Design Wavelength: 546.lnm
Design Index: 1.5183¡À0.0005
Diameter Tolerance: +0.0, -0.15mm
Paraxial Focal Length: 1%
Centration: 3 arc minutes
Clear Aperture:> 80%
Surface Figure :¦Ë/4@632.8 nm
Surface Quality: 60-40 scratch and dig
Bevel: 0.25mmX45¡ã
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