Products
Spherical Lenses
Fused Silica Bi-convex Spherical Lenses
Material:UV-Grade Fused Silica
Design Wavelength:587.6nm
Focal Length Tolerance:±1%
Diameter Tolerance:+0.0/-0.1mm
Thickness Tolerance:±0.1mm
Surface Accuracy:λ/4@632.8nm
Surface Quality:40-20
Centration:<3'
Clear Aperture:>90%
Bevelling:<0.2×45°
Coating:UV AR:290-370nm
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Fused Silica Bi-convex Spherical Lenses
| NO. | EFL(mm) | Dia(mm) | R1=R2(mm) | Tc(mm) | Te(mm) | BFL(mm) |
| 12B4743R | 10.00 | 5.00 | 8.81 | 2.20 | 1.50 | 9.21 |
| 12B4280R | 10.00 | 6.00 | 8.74 | 2.60 | 1.50 | 9.06 |
| 12B4537R | 15.00 | 6.00 | 13.40 | 2.20 | 1.50 | 14.23 |
| 12B4738R | 20.00 | 6.00 | 18.02 | 2.00 | 1.50 | 19.30 |
| 12B4209R | 30.00 | 6.00 | 27.22 | 1.80 | 1.50 | 29.38 |
| 12B4854R | 20.00 | 12.70 | 17.65 | 4.20 | 1.80 | 18.50 |
| 12B4003R | 30.00 | 12.70 | 26.98 | 3.30 | 1.80 | 28.85 |
| 12B4700R | 40.00 | 12.70 | 36.22 | 2.90 | 1.80 | 38.99 |
| 12B4915R | 50.00 | 12.70 | 45.42 | 2.70 | 1.80 | 49.07 |
| 12B4436R | 75.00 | 12.70 | 68.39 | 2.40 | 1.80 | 74.17 |
| 12B4627R | 100.00 | 12.70 | 91.35 | 2.20 | 1.80 | 99.24 |
| 12B4879R | 35.00 | 25.40 | 30.89 | 7.40 | 2.00 | 32.36 |
| 12B4030R | 40.00 | 25.40 | 35.59 | 6.70 | 2.00 | 37.63 |
| 12B4096R | 50.00 | 25.40 | 44.94 | 5.70 | 2.00 | 48.01 |
| NO. | EFL(mm) | Dia(mm) | R1=R2(mm) | Tc(mm) | Te(mm) | BFL(mm) |
| 12B4330R | 75.00 | 25.40 | 68.08 | 4.40 | 2.00 | 73.48 |
| 12B4941R | 100.00 | 25.40 | 91.10 | 3.80 | 2.00 | 98.69 |
| 12B4913R | 125.00 | 25.40 | 114.09 | 3.40 | 2.00 | 123.83 |
| 12B4265R | 150.00 | 25.40 | 137.04 | 3.20 | 2.00 | 148.90 |
| 12B4530R | 175.00 | 25.40 | 160.00 | 3.00 | 2.00 | 173.97 |
| 12B4282R | 200.00 | 25.40 | 182.94 | 2.90 | 2.00 | 199.00 |
| 12B4837R | 250.00 | 25.40 | 228.82 | 2.70 | 2.00 | 249.07 |
| 12B4545R | 300.00 | 25.40 | 274.69 | 2.60 | 2.00 | 299.11 |
| 12B4453R | 500.00 | 25.40 | 458.11 | 2.40 | 2.00 | 499.18 |
| 12B4223R | 750.00 | 25.40 | 687.39 | 2.20 | 2.00 | 749.25 |
| 12B4374R | 1000.00 | 25.40 | 916.63 | 2.20 | 2.00 | 999.25 |
| 12B4592R | 60.00 | 50.80 | 52.45 | 15.60 | 2.50 | 54.39 |
| 12B4553R | 75.00 | 50.80 | 66.75 | 12.50 | 2.50 | 70.58 |
| 12B4821R | 100.00 | 50.80 | 90.05 | 10.30 | 3.00 | 96.40 |
| 12B4140R | 150.00 | 50.80 | 136.31 | 7.80 | 3.00 | 147.30 |
| NO. | EFL(mm) | Dia(mm) | R1=R2(mm) | Tc(mm) | Te(mm) | BFL(mm) |
| 12B4842R | 200.00 | 50.80 | 182.37 | 6.50 | 3.00 | 197.76 |
| 12B4972R | 250.00 | 50.80 | 228.33 | 5.80 | 3.00 | 248.00 |
| 12B4710R | 300.00 | 50.80 | 274.24 | 5.40 | 3.00 | 298.14 |
| 12B4910R | 500.00 | 50.80 | 457.80 | 4.40 | 3.00 | 498.49 |
| 12B4865R | 750.00 | 50.80 | 687.12 | 3.90 | 3.00 | 748.66 |
| 12B4293R | 1000.00 | 50.80 | 916.40 | 3.70 | 3.00 | 998.73 |
