K9 Plano-Concave Lens D=40mm F=-500 ~ -160mm Uncoated / AR-Coated

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  • Choose an optionDiameter = 12.5mm Thickness = 2.0mm λ/4Diameter = 20.0mm Thickness = 2.0mm λ/4Diameter = 25.0mm Thickness = 2.0mm λ/4
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