K9L(N-BK7) Plano Concave PCV Lens
K9L(N-BK7) Plano Concave PCV Lens
Regular price
$24.00 USD
Regular price
Sale price
$24.00 USD
Unit price
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per
Common Specifications
Material K9L or BK7
Surface quality 40-20 scratch & dig (MIL-PRF-13830B)
Clear aperture 90% of the diameter
Diameter tolerance +0.00-0.12 mm
Thickness tolerance ±0.2 mm
Surface irregularity λ/8 @ 633 nm
Concentricity 3 arcmin
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