BK-7 Plano Convex Lenses
-
Simple general use positive lenses
-
Focal lengths from 8.0 to 5000mm
-
Anti-Reflection coatings available
-
Diameters from 5.0 to 100mm
-
See Micro Optics for additional products
These are simple lenses having a flat surface on one side and a spherical surface on the other. They are also very close to the form which minimizes spherical aberration for infinite conjugate applications.
Our glass lenses are made from the highest grade of BK7 optical glass. We have a vast range of different diameters and focal lengths. The lenses listed here are standards. Please call if you do not see the lens you need. We have both larger and smaller lenses and many other diameters to choose from. However, we do try to keep these standards available for quick delivery. For very small lenses see the section on microlenses.
These lenses are offered uncoated or with our A55 broadband visible (425-675nm) multilayer Anti-Reflection coating. In addition we offer a wide range of standard Anti-Reflection coatings for other wavelengths.
Add Selected to Cart Compare Selected
| Number | |
|---|---|
| 011-0220 | |
| 011-0220-A55 | |
| 011-0225 | |
| 011-0225-A55 | |
| 011-0230 | |
| 011-0230-A55 | |
| 011-0250 | |
| 011-0250-A55 | |
| 011-0260 | |
| 011-0260-A55 |
| D (mm) | f (mm) | tc (mm) | te (mm) | fb (mm) | r (mm) | Centration (arcmin) | Surface Quality | Material | Coating | Focal Length tolerance | Surface Accuracy @633nm | Clear Aperture (%) | Diameter tolerance | Thickness tolerance | Design Wavelength | Bevel |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 5.0 | 8.0 | 2.3 | 1.4 | 6.5 | 4.15 | ≤¤ 3 | 20 - 10 | BK7 | none | ±2% | - | ≤¥ 90 | +0, -0.1mm | ±0.15mm | 546.1 | 0.2mm x 45° typical |
| 5.0 | 8.0 | 2.3 | 1.4 | 6.5 | 4.15 | ≤ 3 | 20 - 10 | BK7 | BMAR 425-675nm | ±2% | - | ‰¥ 90 | +0, -0.1mm | ±0.15mm | 546.1 | 0.2mm x 45° typical |
| 5.0 | 9.0 | 2.1 | 1.4 | 7.6 | 4.67 | ≤ 3 | 20 - 10 | BK7 | none | ±2% | - | ‰¥ 90 | +0, -0.1mm | ±0.15mm | 546.1 | 0.2mm x 45° typical |
| 5.0 | 9.0 | 2.1 | 1.4 | 7.6 | 4.67 | ≤ 3 | 20 - 10 | BK7 | BMAR 425-675nm | ±2% | - | ‰¥ 90 | +0, -0.1mm | ±0.15mm | 546.1 | 0.2mm x 45° typical |
| 5.0 | 10.0 | 2.0 | 1.3 | 8.7 | 5.19 | ≤ 3 | 20 - 10 | BK7 | none | ±2% | - | ‰¥ 90 | +0, -0.1mm | ±0.15mm | 546.1 | 0.2mm x 45° typical |
| 5.0 | 10.0 | 2.0 | 1.3 | 8.7 | 5.19 | ≤ 3 | 20 - 10 | BK7 | BMAR 425-675nm | ±2% | - | ‰¥ 90 | +0, -0.1mm | ±0.15mm | 546.1 | 0.2mm x 45° typical |
| 5.0 | 12.0 | 1.8 | 1.2 | 10.8 | 6.23 | ≤ 3 | 20 - 10 | BK7 | none | ±2% | - | ‰¥ 90 | +0, -0.1mm | ±0.15mm | 546.1 | 0.2mm x 45° typical |
| 5.0 | 12.0 | 1.8 | 1.2 | 10.8 | 6.23 | ≤ 3 | 20 - 10 | BK7 | BMAR 425-675nm | ±2% | - | ‰¥ 90 | +0, -0.1mm | ±0.15mm | 546.1 | 0.2mm x 45° typical |
| 5.0 | 15.0 | 1.6 | 1.2 | 13.9 | 7.79 | ≤ 3 | 20 - 10 | BK7 | none | ±2% | - | ‰¥ 90 | +0, -0.1mm | ±0.15mm | 546.1 | 0.2mm x 45° typical |
| 5.0 | 15.0 | 1.6 | 1.2 | 13.9 | 7.79 | ≤ 3 | 20 - 10 | BK7 | BMAR 425-675nm | ±2% | - | ‰¥ 90 | +0, -0.1mm | ±0.15mm | 546.1 | 0.2mm x 45° typical |