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Lenses for defocussing or beam expanding in applications with quite asymmetric object/image distances. Download complete lens catalogue (2MB) Fused Silica Plano-Concave Lenses back to overview | Material: | UV Grade Fused Silica |  | | Design Wavelength: | 587.6nm; n=1.45848 | | Diameter Tolerance: | +0.0 /-0.1mm | Center Thickness Tolerance: | ±0.2mm | | Focal Length Tolerance: | ±2% | | Centering Tolerance: | 3 arc minutes | | Surface Quality: | 40/20 scratch-dig | | Clear Aperture: | >90% | | Surface Figure: | λ/4 @ 632.8nm | | Bevel : | 0.2mmx450 | | Coatings: | without coating | (if you require an AR coating, please specify with your order) |
| OrderNo. | Dia.(mm) | EFL(mm) | BFL(mm) | R1(mm) | Tc(mm) | Te(mm) | PCV-FS-004-006 | 4.0 | -6.3 | -7.33 | -2.89 | 1.5 | 2.30 | PCV-FS-004-010 | 4.0 | -10.0 | -11.063 | -4.585 | 1.55 | 2.00 | PCV-FS-004-015 | 4.0 | -15.0 | -16.172 | -6.877 | 1.71 | 2.00 | PCV-FS-004-020 | 4.0 | -20.0 | -21.221 | -9.17 | 1.78 | 2.00 | PCV-FS-006-010 | 6.3 | -10.0 | -10.686 | -4.585 | 1.0 | 2.25 | PCV-FS-006-012 | 6.3 | -12.5 | -13.528 | -5.731 | 1.5 | 2.44 | PCV-FS-006-015 | 6.3 | -15.0 | -16.028 | -6.877 | 1.5 | 2.26 | PCV-FS-006-020 | 6.3 | -20.0 | -21.029 | -9.17 | 1.5 | 2.06 | PCV-FS-006-025 | 6.3 | -25.0 | -26.028 | -11.462 | 1.5 | 1.94 | PCV-FS-006-040 | 6.3 | -40.0 | -41.371 | -18.339 | 2.0 | 2.27 | PCV-FS-006-050 | 6.3 | -50.0 | -51.371 | -22.924 | 2.0 | 2.22 | PCV-FS-010-012 | 10.0 | -12.5 | -13.528 | -5.731 | 1.5 | 4.43 | PCV-FS-010-015 | 10.0 | -15.0 | -16.028 | -6.877 | 1.5 | 3.65 | PCV-FS-010-020 | 10.0 | -20.0 | -21.029 | -9.17 | 1.5 | 2.98 | PCV-FS-010-025 | 10.0 | -25.0 | -26.028 | -11.462 | 1.5 | 2.64 | PCV-FS-010-040 | 10.0 | -40.0 | -41.028 | -18.339 | 1.5 | 2.19 | PCV-FS-010-050 | 10.0 | -50.0 | -51.028 | -22.924 | 1.5 | 2.05 | PCV-FS-012-020 | 12.7 | -20.0 | -21.029 | -9.17 | 1.5 | 4.05 | PCV-FS-012-025 | 12.7 | -25.0 | -26.028 | -11.462 | 1.5 | 3.42 | PCV-FS-012-030 | 12.7 | -30.0 | -31.028 | -13.754 | 1.5 | 3.05 | PCV-FS-012-040 | 12.7 | -40.0 | -41.028 | -18.339 | 1.5 | 2.63 | PCV-FS-012-050 | 12.7 | -50.0 | -51.028 | -22.924 | 1.5 | 2.40 | PCV-FS-012-100 | 12.7 | -100.0 | -101.028 | -45.848 | 1.7 | 2.14 | PCV-FS-025-035 | 25.4 | -35.0 | -36.372 | -16.047 | 2.0 | 8.24 | PCV-FS-025-050 | 25.4 | -50.0 | -51.371 | -22.924 | 2.0 | 5.84 | PCV-FS-025-075 | 25.4 | -75.0 | -76.371 | -34.386 | 2.0 | 4.43 | PCV-FS-025-100 | 25.4 | -100.0 | -101.371 | -45.848 | 2.0 | 3.79 | PCV-FS-025-150 | 25.4 | -150.0 | -151.371 | -68.772 | 2.0 | 3.18 | PCV-FS-025-175 | 25.4 | -175.0 | -176.371 | -80.234 | 2.0 | 3.01 | PCV-FS-025-200 | 25.4 | -200.0 | -201.38 | -91.70 | 2.0 | 2.88 | PCV-FS-025-250 | 25.4 | -250.0 | -251.371 | -114.62 | 2.0 | 2.77 | PCV-FS-025-400 | 25.4 | -400.0 | -401.367 | -183.39 | 2.0 | 2.44 |
BK7 Plano-Concave Lenses back to overview | Material: | BK7 grade A optical glass | | | Design Wavelength: | 587.6nm | | Diameter Tolerance: | +0.0 /-0.1mm | Center Thickness Tolerance: | ±0.2mm | | Focal Length Tolerance: | ±2% | | Centering Tolerance: | 3 arc minutes | | Surface Quality: | 60/40 scratch-dig | | Clear Aperture: | >90% | | Surface Figure: | λ/4 @ 632.8nm | | Bevel : | 0.2mmx450 | | Coatings: | without coating | (if you require an AR coating, please specify with your order) |
| OrderNo. | Dia.(mm) | EFL(mm) | BFL(mm) | R1(mm) | Tc(mm) | Te(mm) | PCV-BK7-004-005 | 4.0 | -5.0 | -5.99 | -2.582 | 1.5 | 2.45 | PCV-BK7-004-006 | 4.0 | -6.3 | -7.29 | -3.253 | 1.5 | 2.19 | PCV-BK7-004-010 | 4.0 | -10.0 | -10.99 | -5.17 | 1.5 | 1.90 | PCV-BK7-006-008 | 6.3 | -8.0 | -8.987 | -4.13 | 1.5 | 2.96 | PCV-BK7-006-010 | 6.3 | -10.0 | -11.0 | -5.17 | 1.5 | 2.57 | PCV-BK7-006-012 | 6.3 | -12.5 | -13.5 | -6.46 | 1.5 | 2.32 | PCV-BK7-006-016 | 6.3 | -16.0 | -16.99 | -8.26 | 1.5 | 2.12 | PCV-BK7-006-020 | 6.3 | -20.0 | -20.99 | -10.33 | 1.5 | 1.99 | PCV-BK7-006-025 | 6.3 | -25.0 | -25.99 | -12.91 | 1.5 | 1.89 | PCV-BK7-006-040 | 6.3 | -40.0 | -40.98 | -20.65 | 1.5 | 1.71 | PCV-BK7-006-063 | 6.3 | -63.0 | -63.93 | -32.5 | 1.5 | 1.65 | PCV-BK7-010-012 | 10.0 | -12.5 | -13.5 | -6.46 | 1.5 | 3.87 | PCV-BK7-010-016 | 10.0 | -16.0 | -16.99 | -8.26 | 1.5 | 3.19 | PCV-BK7-010-020 | 10.0 | -20.0 | -20.99 | -10.327 | 1.5 | 2.79 | PCV-BK7-010-025 | 10.0 | -25.0 | -25.99 | -12.91 | 1.5 | 2.51 | PCV-BK7-010-032 | 10.0 | -31.5 | -32.5 | -16.27 | 1.5 | 2.29 | PCV-BK7-010-040 | 10.0 | -40.0 | -40.98 | -20.65 | 1.5 | 2.11 | PCV-BK7-010-050 | 10.0 | -50.0 | -51.03 | -25.84 | 1.5 | 1.99 | PCV-BK7-010-063 | 10.0 | -63.0 | -63.93 | -32.5 | 1.5 | 1.89 | PCV-BK7-010-100 | 10.0 | -100.0 | -101.00 | -51.64 | 1.5 | 1.74 | PCV-BK7-016-020 | 16.0 | -20.0 | -20.99 | -10.33 | 1.5 | 5.29 | PCV-BK7-016-025 | 16.0 | -25.0 | -25.99 | -12.91 | 1.5 | 4.22 | PCV-BK7-016-032 | 16.0 | -31.5 | -32.5 | -16.27 | 1.5 | 3.60 | PCV-BK7-016-040 | 16.0 | -40.0 | -40.98 | -20.65 | 1.5 | 3.11 | PCV-BK7-016-050 | 16.0 | -50.0 | -51.66 | -25.84 | 1.5 | 2.77 | PCV-BK7-016-063 | 16.0 | -63.0 | -63.98 | -32.5 | 1.5 | 2.50 | PCV-BK7-016-080 | 16.0 | -80.0 | -80.97 | -41.3 | 1.5 | 2.28 | PCV-BK7-016-100 | 16.0 | -100.0 | -101.00 | -51.64 | 1.5 | 2.12 | PCV-BK7-016-160 | 16.0 | -160.0 | -161.00 | -82.62 | 1.5 | 1.89 | PCV-BK7-025-025 | 25.0 | -25.4 | -26.71 | -13.11 | 2.0 | 11.16 | PCV-BK7-025-032 | 25.0 | -31.5 | -32.83 | -16.27 | 2.0 | 7.86 | PCV-BK7-025-040 | 25.0 | -40.0 | -40.98 | -20.65 | 2.0 | 6.21 | PCV-BK7-025-050 | 25.0 | -50.0 | -51.36 | -25.84 | 2.0 | 5.22 | PCV-BK7-025-063 | 25.0 | -63.0 | -64.26 | -32.5 | 2.0 | 4.50 | PCV-BK7-025-080 | 25.0 | -80.0 | -81.3 | -41.3 | 2.0 | 3.94 | PCV-BK7-025-100 | 25.0 | -100.0 | -101.3 | -51.64 | 2.0 | 3.54 | PCV-BK7-025-125 | 25.0 | -125.0 | -126.3 | -64.55 | 2.0 | 3.22 | PCV-BK7-025-160 | 25.0 | -160.0 | -161.3 | -82.62 | 2.0 | 2.95 | PCV-BK7-025-200 | 25.0 | -200.0 | -201.3 | -103.28 | 2.0 | 2.75 | PCV-BK7-025-250 | 25.0 | -250.0 | -251.4 | -129.13 | 2.0 | 2.61 | PCV-BK7-025-400 | 25.0 | -400.0 | -400.5 | -206.1 | 2.0 | 2.38 | PCV-BK7-025-1000 | 25.0 | -500.0 | -501.3 | -258.18 | 2.0 | 2.30 | PCV-BK7-025-1000 | 25.0 | -1000.0 | -1001.0 | -516.5 | 2.0 | 2.15 | PCV-BK7-040-050 | 40.0 | -50.0 | -51.69 | -25.84 | 2.5 | 11.98 | PCV-BK7-040-063 | 40.0 | -63.0 | -64.58 | -32.5 | 2.5 | 9.38 | PCV-BK7-040-080 | 40.0 | -80.0 | -81.63 | -41.3 | 2.5 | 7.57 | PCV-BK7-040-100 | 40.0 | -100.0 | -101.7 | -51.64 | 2.5 | 6.53 | PCV-BK7-040-125 | 40.0 | -125.0 | -126.7 | -64.55 | 2.5 | 5.68 | PCV-BK7-040-160 | 40.0 | -160.0 | -161.7 | -82.62 | 2.5 | 4.96 | PCV-BK7-040-200 | 40.0 | -200.0 | -201.6 | -103.28 | 2.5 | 4.46 | PCV-BK7-040-250 | 40.0 | -250.0 | -251.9 | -129.24 | 2.5 | 4.06 | PCV-BK7-040-500 | 40.0 | -500.0 | -501.6 | -258.18 | 2.5 | 3.28 | PCV-BK7-050-063 | 50.0 | -63.0 | -64.92 | -32.5 | 3.0 | 14.73 | PCV-BK7-050-080 | 50.0 | -80.0 | -81.96 | -41.3 | 3.0 | 11.43 | PCV-BK7-050-100 | 50.0 | -100.0 | -102.0 | -51.64 | 3.0 | 9.45 | PCV-BK7-050-160 | 50.0 | -160.0 | -162.0 | -82.62 | 3.0 | 6.87 | PCV-BK7-050-250 | 50.0 | -250.0 | -252.3 | -129.24 | 3.0 | 5.11 | PCV-BK7-050-500 | 50.0 | -500.0 | -502.0 | -258.18 | 3.0 | 4.21 |
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