BI-PCC-20-30-N1, 20mm Plano Concave lens, N1 Coated, FL=-30mm
Same family
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BI-PCC-20-30-N2, 20mm Plano Concave lens, N2 Coated, FL=-30mm
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BI-PCC-20-30-U, 20mm Plano Concave lens, Uncoated, FL=-30mm
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BI-PCC-20-30-V, 20mm Plano Concave lens, VIS Coated, FL=-30mm
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BI-PCC-20-40-N1, 20mm Plano Concave lens, N1 Coated, FL=-40mm
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BI-PCC-20-100-N1, 20mm Plano Concave lens, N1 Coated, FL=-100mm
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BI-PCC-20-100-N2, 20mm Plano Concave lens, N2 Coated, FL=-100mm
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BI-PCC-20-100-U, 20mm Plano Concave lens, Uncoated, FL=-100mm
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BI-PCC-20-100-V, 20mm Plano Concave lens, VIS Coated, FL=-100mm
BI-PCC-20-30-N1: 20mm Plano Concave lens, N1 Coated, FL=-30mm.
Plano-concave lenses have one flat and one inward-curved surface and a negative focal length, so they spread a collimated beam. They are used to expand beams and, combined with a positive lens, to shorten an optical system.
Size: 20 mm
Type: Plano Concave
Material: N-SF11
Center Thickness: 3.50 ± 0.10 mm
Edge Thickness: 5.39 mm
Focal Length (EFL): -30 mm
Back Focal Length (BFL): -31.96 mm
Surface Quality: 40-20 (scratch-dig)
Flatness / Irregularity: λ/4 P-V @ 632.8 nm
Coating: N1 AR coating, 600–1050 nm, Ravg ≤ 0.5%
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Same family
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BI-PCC-20-30-N2, 20mm Plano Concave lens, N2 Coated, FL=-30mm
-
BI-PCC-20-30-U, 20mm Plano Concave lens, Uncoated, FL=-30mm
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BI-PCC-20-30-V, 20mm Plano Concave lens, VIS Coated, FL=-30mm
-
BI-PCC-20-40-N1, 20mm Plano Concave lens, N1 Coated, FL=-40mm
-
BI-PCC-20-100-N1, 20mm Plano Concave lens, N1 Coated, FL=-100mm
-
BI-PCC-20-100-N2, 20mm Plano Concave lens, N2 Coated, FL=-100mm
-
BI-PCC-20-100-U, 20mm Plano Concave lens, Uncoated, FL=-100mm
-
BI-PCC-20-100-V, 20mm Plano Concave lens, VIS Coated, FL=-100mm
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