| BK7 Positive Meniscus Lens | Download catalog |
| ·BK7 Plano-convex Lens | ·BK7 Bi-convex Lens | ·BK7 Plano-concave Lens |
| ·BK7 Bi-concave Lens | ·BK7 Positive Meniscus Lens | ·BK7 Negative Meniscus Lens |
| BK7 Positive Meniscus Lens |
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 Material:BK7 grade optical glass Design Wavelength:633nm Focal Length Tolerance:+/-1% Diameter Tolerance:+0.0,-0.1mm Center Thickness(Tc):+/-0.1mm Surface Figure:λ/4@632.8nm Scratch/Dig:40-20 Centration:<3arc minutes Clear Aperture:>90% Protective Bevelling Coating:none,A type,B type,C type |
BK7 Positive Meniscus Lens |
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NO.
GLE1234 GLE1156 GLE1104 GLE1202 GLE1157 GLE1929 GLE1872 GLE1261 GLE1458 GLE1076 GLE1527 GLE1418 GLE1015 GLE1613 GLE1985 GLE1359 GLE1153 GLE1834 GLF1822 EFL(mm)
100.0 125.0 150.0 200.0 250.0 300.0 400.0 500.0 1000.0 100.0 125.0 150.0 200.0 250.0 300.0 400.0 500.0 1000.0 -100.0 Dia(mm)
25.4
25.4 25.4 25.4 25.4 25.4 25.4 25.4 25.4 50.8 50.8 50.8 50.8 50.8 50.8 50.8 50.8 50.8 25.4 R1(mm)
32.1 40.6 49.1 66.2 83.4 100.9 136.5 172.9 371.6 30.3 39.2 47.9 65.2 82.5 100.1 135.8 172.3 371.6 100.0 R2(mm)
82.2 106.9 131.6 182.2 233.9 288.2 402.4 523.9 1330.7 65.8 92.9 119.3 171.6 224.7 279.1 393.4 515.7 1326.3 33.7 Tc(mm)
3.6 3.3 3.1 2.8 2.6 2.5 2.4 2.3 2.2 9.7 8.2 7.3 6.2 5.5 5.1 5.0 5.0 5.0 3.0 Te(mm)
2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 2.0 1.1 2.4 2.7 2.9 3.0 3.0 3.4 3.7 4.4 4.7
BFL(mm)
96.2 121.6 146.8 197.1 247.3 297.5 397.6 497.7 998.0 89.1 116.1 142.2 193.6 244.3 294.8 395.0 495.1 995.7 -99.0 |
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