Double Concave Lenses are manufactured with both surfaces concave.
The Double Concave Lenses are made from BK7 material, which are manufactured with both surfaces concave. These lenses have negative focal lengths. These lenses diverge collimated incident light and form virtual images
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PRODUCT PARAMETERS
Double Concave Lens -BK7
Item# | φ(mm) | f(mm) | R2=R2(mm) | Tc | Te | Fb |
---|---|---|---|---|---|---|
BCV1-001 | 6.0 | -15.0 | 15.20 | 2.10 | 1.5 | 14.30 |
BCV1-002 | 6.0 | -30.0 | 30.83 | 1.79 | 1.5 | 29.42 |
BCV1-101 | 12.7 | -15.0 | 14.65 | 4.89 | 2.0 | 13.27 |
BCV1-102 | 12.7 | -20.0 | 20.04 | 4.07 | 2.0 | 18.62 |
BCV1-103 | 12.7 | -25.0 | 25.35 | 3.62 | 2.0 | 23.82 |
BCV1-104 | 12.7 | -30.0 | 30.55 | 3.33 | 2.0 | 28.89 |
BCV1-105 | 12.7 | -40.0 | 41.02 | 2.99 | 2.0 | 39.04 |
BCV1-106 | 12.7 | -50.0 | 51.40 | 2.79 | 2.0 | 49.08 |
BCV1-107 | 12.7 | -75.0 | 77.45 | 2.52 | 2.0 | 74.24 |
BCV1-108 | 12.7 | -100.0 | 103.28 | 2.39 | 2.0 | 99.16 |
BCV1-201 | 25.4 | -25.0 | 24.72 | 9.02 | 2.0 | 22.24 |
BCV1-202 | 25.4 | -31.7 | 31.55 | 7.34 | 2.0 | 29.15 |
BCV1-203 | 25.4 | -35.0 | 35.08 | 6.76 | 2.0 | 32.66 |
BCV1-204 | 25.4 | -50.0 | 50.93 | 5.22 | 2.0 | 48.22 |
BCV1-205 | 25.4 | -75.0 | 77.09 | 4.11 | 2.0 | 73.63 |
BCV1-206 | 25.4 | -100.0 | 103.04 | 3.57 | 2.0 | 98.73 |
BCV1-207 | 25.4 | -125.0 | 129.12 | 3.25 | 2.0 | 123.92 |
BCV1-208 | 25.4 | -150.0 | 155.10 | 3.04 | 2.0 | 149.00 |
BCV1-209 | 25.4 | -175.0 | 181.13 | 2.89 | 2.0 | 174.12 |
BCV1-210 | 25.4 | -200.0 | 207.00 | 2.78 | 2.0 | 199.07 |
BCV1-211 | 25.4 | -250.0 | 258.90 | 2.62 | 2.0 | 249.12 |
BCV1-212 | 25.4 | -300.0 | 310.80 | 2.52 | 2.0 | 299.17 |
BCV1-213 | 25.4 | -500.0 | 518.30 | 2.31 | 2.0 | 499.21 |
BCV1-214 | 25.4 | -1000.0 | 1037.10 | 2.16 | 2.0 | 999.32 |
BCV1-301 | 38.0 | -45.0 | 44.87 | 10.44 | 2.0 | 41.46 |
BCV1-302 | 38.0 | -50.0 | 49.97 | 10.50 | 3.0 | 46.40 |
BCV1-303 | 38.0 | -100.0 | 102.57 | 6.55 | 3.0 | 97.78 |
BCV1-304 | 38.0 | -150.0 | 154.70 | 5.34 | 3.0 | 148.23 |
BCV1-305 | 38.0 | -200.0 | 206.70 | 4.75 | 3.0 | 198.46 |
BCV1-306 | 38.0 | -350.0 | 362.40 | 4.00 | 3.0 | 348.66 |
BCV1-307 | 38.0 | -500.0 | 518.10 | 3.70 | 3.0 | 498.79 |
BCV1-308 | 38.0 | -700.0 | 725.60 | 3.50 | 3.0 | 698.84 |
BCV1-309 | 40.0 | -63.5 | 64.42 | 8.27 | 1.9 | 60.70 |
BCV1-501 | 50.0 | -100.0 | 102.06 | 9.20 | 3.0 | 96.90 |
BCV1-502 | 50.0 | -150.0 | 154.27 | 7.10 | 3.0 | 147.60 |
BCV1-503 | 50.0 | -200.0 | 206.28 | 6.00 | 3.0 | 198.00 |
BCV1-504 | 50.0 | -250.0 | 258.22 | 5.40 | 3.0 | 248.20 |
BCV1-505 | 50.0 | -400.0 | 413.87 | 4.50 | 3.0 | 398.50 |
BCV1-506 | 50.0 | -450.0 | 465.73 | 4.30 | 3.0 | 448.60 |
BCV1-507 | 50.0 | -500.0 | 517.58 | 4.20 | 3.0 | 448.60 |
BCV1-508 | 50.0 | -600.0 | 621.28 | 4.00 | 3.0 | 598.70 |
BCV1-509 | 50.0 | -800.0 | 828.64 | 3.8 | 3.0 | 798.70 |
Double Concave Lens - Fused Silica
Item# | mm | f(mm) | R2=R2(mm) | Tc | Te | Fb |
---|---|---|---|---|---|---|
BCV2-001 | 6.0 | -15.0 | 14.03 | 1.5 | 2.15 | 15.50 |
BCV2-002 | 6.0 | -30.0 | 27.84 | 1.5 | 1.82 | 30.51 |
BCV2-101 | 12.7 | -15.0 | 14.11 | 2.0 | 5.02 | 15.67 |
BCV2-102 | 12.7 | -20.0 | 18.71 | 2.0 | 4.22 | 20.67 |
BCV2-103 | 12.7 | -25.0 | 23.32 | 2.0 | 3.76 | 25.68 |
BCV2-104 | 12.7 | -30.0 | 27.92 | 2.0 | 3.46 | 30.68 |
BCV2-105 | 12.7 | -40.0 | 37.12 | 2.0 | 3.09 | 40.68 |
BCV2-201 | 25.4 | -25.0 | 23.32 | 2.0 | 9.52 | 25.68 |
BCV2-202 | 25.4 | -35.0 | 32.52 | 2.0 | 7.17 | 35.68 |
BCV2-203 | 25.4 | -50.0 | 46.32 | 2.0 | 5.55 | 50.68 |
BCV2-204 | 25.4 | -75.0 | 69.33 | 2.0 | 4.35 | 75.69 |
BCV2-205 | 25.4 | -100.0 | 92.33 | 2.0 | 3.76 | 100.68 |
BCV2-206 | 25.4 | -150.0 | 138.34 | 2.0 | 3.17 | 150.68 |
BCV2-207 | 25.4 | -200.0 | 184.35 | 2.0 | 2.88 | 200.69 |
BCV2-208 | 25.4 | -250.0 | 230.36 | 2.0 | 2.70 | 250.69 |
BCV2-209 | 25.4 | -300.0 | 276.36 | 2.0 | 2.58 | 300.68 |
BCV2-210 | 25.4 | -500.0 | 460.40 | 2.0 | 2.35 | 500.69 |
BCV2-211 | 25.4 | -1000.0 | 920.48 | 2.0 | 2.18 | 1000.69 |
BCV2-301 | 38.0 | -50.0 | 46.48 | 3.0 | 11.12 | 51.02 |
BCV2-302 | 38.0 | -100.0 | 92.49 | 3.0 | 6.95 | 101.03 |
BCV2-303 | 38.0 | -150.0 | 138.50 | 3.0 | 5.62 | 151.03 |
BCV2-304 | 38.0 | -200.0 | 184.50 | 3.0 | 4.96 | 201.02 |
BCV2-305 | 38.0 | -350.0 | 322.53 | 3.0 | 4.13 | 351.03 |
BCV2-306 | 38.0 | -500.0 | 460.55 | 3.0 | 3.78 | 501.02 |
BCV2-307 | 38.0 | -750.0 | 690.59 | 3.0 | 3.52 | 751.02 |
BCV2-308 | 38.0 | -1000.0 | 920.64 | 3.0 | 3.39 | 1001.04 |
RECOMMENDED
The products cover the domestic market with its excellent quality and are exported to Europe, North America and other developed countries and developing countries in Southeast Asia, Africa, the Middle East and so on.