BI-BCC-12-12-U, 12mm Bi-Concave lens, Uncoated, FL=-12mm
Same family
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BI-BCC-12-12-N1, 12mm Bi-Concave lens, N1 Coated, FL=-12mm
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BI-BCC-12-12-N2, 12mm Bi-Concave lens, N2 Coated, FL=-12mm
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BI-BCC-12-12-V, 12mm Bi-Concave lens, VIS Coated, FL=-12mm
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BI-BCC-12-18-N1, 12mm Bi-Concave lens, N1 Coated, FL=-18mm
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BI-BCC-12-18-N2, 12mm Bi-Concave lens, N2 Coated, FL=-18mm
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BI-BCC-12-18-U, 12mm Bi-Concave lens, Uncoated, FL=-18mm
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BI-BCC-12-18-V, 12mm Bi-Concave lens, VIS Coated, FL=-18mm
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BI-BCC-12-24-N1, 12mm Bi-Concave lens, N1 Coated, FL=-24mm
BI-BCC-12-12-U: 12mm Bi-Concave lens, Uncoated, FL=-12mm.
Bi-concave lenses have two inward-curved surfaces and a negative focal length. They diverge light, and are used to expand beams and to shorten the focal length needed in a system.
Size: 12 mm
Type: Bi-Concave
Material: N-SF11
Center Thickness: 3.00 ± 0.05 mm
Edge Thickness: 4.71 mm
Focal Length (EFL): -12 mm
Back Focal Length (BFL): -12.81 mm
Surface Quality: 40-20 (scratch-dig)
Flatness / Irregularity: λ/4 P-V @ 632.8 nm
Coating: Uncoated (transmission 400–2500 nm)
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Same family
-
BI-BCC-12-12-N1, 12mm Bi-Concave lens, N1 Coated, FL=-12mm
-
BI-BCC-12-12-N2, 12mm Bi-Concave lens, N2 Coated, FL=-12mm
-
BI-BCC-12-12-V, 12mm Bi-Concave lens, VIS Coated, FL=-12mm
-
BI-BCC-12-18-N1, 12mm Bi-Concave lens, N1 Coated, FL=-18mm
-
BI-BCC-12-18-N2, 12mm Bi-Concave lens, N2 Coated, FL=-18mm
-
BI-BCC-12-18-U, 12mm Bi-Concave lens, Uncoated, FL=-18mm
-
BI-BCC-12-18-V, 12mm Bi-Concave lens, VIS Coated, FL=-18mm
-
BI-BCC-12-24-N1, 12mm Bi-Concave lens, N1 Coated, FL=-24mm
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