Double Convex Lenses
Double Convex Lenses are manufactured with two convex surfaces on both sides of the lens. This kind of lenses has positive focal length and are used for imaging at close to 1:1 。
| Specifications | |||
|---|---|---|---|
| Material | BK7 |  |
|
| Dimension Tolerance | +0.0, -0.05mm | ||
| Clear Aperture | >85% | ||
| Flatness | λ/4@632.8nm | ||
| Surface Quality | 60-40 | ||
| Centration | 3 arc min | ||
| Design Wavelength | 546.1nm | ||
| Design Index | 1.5183+/-0.0005 | ||
| Paraxial Focal Length Tolerance | +/-2% | ||
| Bevel | 0.25mm x 45° | ||
| Coating | Uncoated | ||
| Part No | Φ(mm) | f (mm) | R1=R2(mm) | tc (mm) | te (mm) | fb (mm) |
|---|---|---|---|---|---|---|
| DCX1201 | 12.7 | 20.0 | 20.01 | 4.0 | 2.0 | 18.6 |
| DCX1202 | 12.7 | 25.0 | 25.28 | 3.6 | 2.0 | 23.8 |
| DCX1203 | 12.7 | 30.0 | 30.52 | 3.3 | 2.0 | 28.9 |
| DCX1204 | 12.7 | 40.0 | 40.95 | 3.0 | 2.0 | 39.0 |
| DCX1301 | 25.4 | 25.4 | 24.71 | 9.0 | 2.0 | 22.2 |
| DCX1314 | 25.4 | 35.0 | 35.09 | 6.8 | 2.0 | 32.8 |
| DCX1315 | 25.4 | 40.0 | 40.40 | 6.1 | 2.0 | 37.9 |
| DCX1302 | 25.4 | 50.0 | 50.92 | 5.2 | 2.0 | 48.3 |
| DCX1316 | 25.4 | 60.0 | 61.40 | 4.7 | 2.0 | 58.5 |
| DCX1303 | 25.4 | 75.0 | 77.04 | 4.1 | 2.0 | 73.6 |
| DCX1304 | 25.4 | 100.0 | 103.05 | 3.6 | 2.0 | 98.8 |
| DCX1305 | 25.4 | 125.0 | 129.02 | 3.3 | 2.0 | 123.9 |
| DCX1306 | 25.4 | 150.0 | 154.97 | 3.0 | 2.0 | 149.0 |
| DCX1307 | 25.4 | 200.0 | 206.84 | 2.8 | 2.0 | 199.0 |
| DCX1308 | 25.4 | 250.0 | 258.70 | 2.6 | 2.0 | 249.1 |
| DCX1309 | 25.4 | 300.0 | 310.55 | 2.5 | 2.0 | 299..2 |
| DCX1310 | 25.4 | 400.0 | 413.80 | 2.4 | 2.0 | 399.0 |
| DCX1311 | 25.4 | 500.0 | 517.91 | 2.3 | 2.0 | 499.2 |
| DCX1312 | 25.4 | 750.0 | 774.30 | 2.3 | 2.0 | 748.8 |
| DCX1313 | 25.4 | 1000.0 | 1036.23 | 2.2 | 2.0 | 999.3 |
Note: Other sizes, material and coatings are available upon request.
