The plano-convex lens is an optical element primarily used to converge parallel light. It is commonly employed in imaging, beam collimation, focusing collimation, and point source collimation applications. One side of the plano-convex lens is convex, and the plane side has a positive focal length. It is typically used in scenarios such as beam reduction, focal length reduction, or image magnification.
The characteristic of a plano-convex lens is that one side is flat while the other side is convex. This design allows the lens to focus parallel light rays into a single point, known as the focal point of the lens. Plano-convex lenses have a positive focal length and are typically used for aiming and focusing monochromatic light sources or converting divergent point sources into parallel light. To minimize spherical aberration, the light beam should ideally enter through the curved surface.
Plano-convex lenses have a wide range of applications in optical systems. For instance, in fields such as laser collimation and optical imaging, plano-convex lenses are often used to correct spherical aberration and improve spot quality. Additionally, they are employed in specific applications like barcode scanning and aiming systems, where they effectively converge parallel light or collimate light beams.
Specifications | Commercial spec. | High precision spec. |
Material | UV glass (quartz, fused silica) | |
VIS glass (Schott, CDGM, HOYA, etc.) | ||
Diameter | Ø5mm~Ø600mm | |
Diameter tolerance | ±0.1mm | ±0.05mm |
Focal length tolerance | ±2% | ±1% |
Surface quality | 60/40 | 40/20 |
Centration | < 3 arc min | <1arc min |
Surface figure | 3λ | 2λ |
Surface irregularity | 1/4λ | 1/10λ |
Clear aperture | >85% of dia | >90% of dia |
Bevel | <0.2mm x 45deg | <0.1mm x 45deg |
Coating | Up on clients’ request |
Type No. | Diameter | Focal length | Edge thickness | Center thickness | Back focal length | Radius of curvature |
BK7-5-10 | 5 | 10 | 1.3 | 2.0 | 8.7 | 5.19 |
BK7-5-15 | 5 | 15 | 1.2 | 1.6 | 13.9 | 7.79 |
BK7-5-20 | 5 | 20 | 1.1 | 1.4 | 19.1 | 10.38 |
BK7-5-30 | 5 | 30 | 1.1 | 1.3 | 29.1 | 15.57 |
BK7-6-10 | 6 | 10 | 1.0 | 2.0 | 8.7 | 5.19 |
BK7-6-15 | 6 | 15 | 1.0 | 1.6 | 13.9 | 7.79 |
BK7-6-25 | 6 | 25 | 1.0 | 1.4 | 24.1 | 12.98 |
BK7-7-10 | 7 | 10 | 2.0 | 3.4 | 7.8 | 5.19 |
BK7-7-12 | 7 | 12 | 1.9 | 3.0 | 10.1 | 6.23 |
BK7-8-10 | 8 | 10 | 1.5 | 3.4 | 7.8 | 5.19 |
BK7-8-12 | 8 | 12 | 1.5 | 3.0 | 10.1 | 6.23 |
BK7-8-15 | 8 | 15 | 1.5 | 2.6 | 13.3 | 7.79 |
BK7-8-20 | 8 | 20 | 1.5 | 2.1 | 18.5 | 10.38 |
BK7-8-25 | 8 | 25 | 1.5 | 21 | 23.6 | 1298 |
BK7-8-30 | 8 | 30 | 1.5 | 2.0 | 28.7 | 1557 |
BK7-10-15 | 10 | 15 | 2.0 | 3.8 | 12.5 | 7.79 |
BK7-10-20 | 10 | 20 | 2.0 | 3.3 | 17.8 | 10.38 |
BK7-10-30 | 10 | 30 | 2.0 | 2.8 | 28.1 | 15.57 |
BK7-10-100 | 10 | 100 | 2.0 | 2.2 | 98.5 | 51.90 |
BK7-12.7-20 | 12.7 | 20 | 2.0 | 4.2 | 17.2 | 10.38 |
BK7-12.7-30 | 12.7 | 30 | 2.0 | 3.4 | 27.8 | 15.57 |
BK7-12.7-50 | 12.7 | 50 | 2.0 | 2.8 | 48.2 | 25.95 |
BK7-12.7-100 | 12.7 | 100 | 2.0 | 2.4 | 98.5 | 51.90 |
BK7-15-20 | 15 | 20 | 2.0 | 5.2 | 16.6 | 10.38 |
BK7-15-30 | 15 | 30 | 20 | 3.9 | 27.4 | 15.57 |
BK7-15-40 | 15 | 40 | 2.0 | 3.4 | 37.8 | 20.76 |
BK7-20-25 | 20 | 25 | 2.0 | 6.7 | 20.6 | 12.98 |
BK7-20-40 | 20 | 40 | 2.0 | 4.6 | 37.0 | 20.76 |
BK7-20-50 | 20 | 50 | 2.0 | 4.0 | 47.4 | 25.95 |
BK7-20-60 | 20 | 60 | 2.0 | 3.6 | 57.6 | 31.14 |
BK7-20-80 | 20 | 80 | 2.0 | 3.2 | 77.9 | 41.52 |
BK7-20-100 | 20 | 100 | 2.0 | 3.0 | 98.0 | 51.90 |
BK7-20-120 | 20 | 120 | 2.0 | 2.8 | 118.2 | 62.28 |
BK7-20-150 | 20 | 150 | 20 | 2.6 | 148.3 | 77.85 |
BK7-25-30 | 25 | 30 | 2.0 | 8.3 | 24.5 | 15.57 |
BK7-25-60 | 25 | 60 | 2.0 | 4.6 | 57.0 | 31.14 |
BK7-25-100 | 25 | 100 | 2.0 | 3.5 | 97.7 | 51.90 |
BK7-25.4-30 | 25.4 | 30 | 1.7 | 8.3 | 24.5 | 1557 |
BK7-25.4-50 | 25.4 | 50 | 1.9 | 5.2 | 46.6 | 25.95 |
BK7-25.4-50 | 25.4 | 60 | 1.9 | 4.6 | 57.0 | 31.14 |
BK7-25.4-80 | 25.4 | 80 | 1.9 | 3.9 | 77.4 | 4152 |
BK7-25.4-100 | 25.4 | 100 | 1.9 | 3.5 | 97.7 | 51.90 |
BK7-25.4-150 | 25.4 | 150 | 2.0 | 3.0 | 148.0 | 77.85 |
BK7-25.4-1000 | 25.4 | 1000 | 2.0 | 22 | 998.5 | 519.00 |
BK7-30-50 | 30 | 50 | 2.0 | 6.8 | 45.5 | 25.95 |
BK7-30-60 | 30 | 60 | 2.0 | 5.9 | 56.1 | 31.14 |
BK7-30-100 | 30 | 100 | 2.0 | 4.2 | 97.2 | 51.90 |
BK7-30-200 | 30 | 200 | 2.0 | 3.1 | 198.0 | 103.80 |
BK7-40-60 | 40 | 60 | 2.0 | 11.4 | 42.5 | 31.14 |
BK7-40-70 | 40 | 70 | 4.0 | 8.0 | 54.7 | 50.55 |
BK7-40-50 | 40 | 80 | 2.0 | 7.1 | 75.3 | 41.52 |
BK7-40-100 | 40 | 100 | 2.0 | 6.0 | 96.0 | 51.90 |
BK7-50-70 | 50 | 70 | 3.0 | 13.0 | 61.5 | 36.33 |
BK7-50-30 | 50 | 90 | 3.0 | 10.3 | 83.2 | 46.71 |
BK7-50-100 | 50 | 100 | 3.0 | 9.4 | 93.8 | 51.90 |
BK7-50-120 | 50 | 120 | 3.0 | 8.2 | 114.6 | 62.28 |
BK7-50-150 | 50 | 150 | 3.0 | 7.1 | 145.3 | 77.85 |
BK7-50-200 | 50 | 200 | 3.0 | 6.1 | 196.0 | 103.80 |
BK7-50-300 | 50 | 300 | 3.0 | 5.0 | 296.7 | 155.70 |
BK7-50-400 | 50 | 400 | 3.0 | 4.5 | 397.0 | 207.60 |
BK7-50-500 | 50 | 500 | 3.0 | 4.2 | 497.2 | 5259.50 |
BK7-50-800 | 50 | 800 | 3.0 | 3.8 | 797.4 | 415.20 |
BK7-50-1000 | 50 | 1000 | 3.0 | 3.6 | 997.6 | 519.00 |
BK7-60-70 | 60 | 70 | 3.0 | 18.8 | 57.6 | 36.33 |
BK7-60-80 | 60 | 80 | 3.0 | 15.8 | 69.6 | 41.52 |
BK7-60-90 | 60 | 90 | 3.0 | 13.9 | 80.8 | 46.71 |
BK7-60-100 | 60 | 100 | 3.0 | 12.5 | 91.7 | 51.90 |
BK7-60-200 | 60 | 200 | 3.0 | 7.4 | 195.1 | 103.80 |
BK7-80-100 | 80 | 100 | 3.0 | 21.8 | 85.5 | 51.90 |
BK7-80-150 | 80 | 150 | 3.0 | 14.1 | 140.8 | 77.85 |
BK7-80-200 | 80 | 200 | 3.0 | 11.0 | 192.7 | 103.80 |
BK7-80-300 | 80 | 300 | 3.0 | 8.2 | 294.6 | 155.70 |
BK7-80-500 | 80 | 500 | 3.0 | 6.1 | 496.0 | 259.50 |
BK7-100-150 | 100 | 150 | 3.0 | 21.2 | 136.1 | 77.85 |
BK7-100-200 | 100 | 200 | 3.0 | 15.8 | 189.6 | 103.80 |
BK7-100-300 | 100 | 300 | 3.0 | 11.2 | 292.6 | 155.70 |
BK7-100-350 | 100 | 350 | 3.0 | 10.0 | 343.4 | 181.65 |
BK7-100-400 | 100 | 400 | 3.0 | 9.1 | 394.4 | 207.60 |
BK7-100-500 | 100 | 500 | 3.0 | 7.9 | 494.8 | 259.50 |
BK7-100-600 | 100 | 600 | 3.0 | 7.0 | 595.4 | 311.40 |
BK7-100-700 | 100 | 700 | 3.0 | 6.5 | 695.7 | 363.30 |
BK7-100-800 | 100 | 800 | 3.0 | 6.0 | 796.0 | 415.20 |
BK7-100-1000 | 100 | 1000 | 3.0 | 5.4 | 996.4 | 519.00 |
Type No. | Diameter | Focal length | Edge thickness | Center thickness | Back focal length | Radius of curvature |
JGS1-10-15 | 10 | 15 | 2.0 | 4.1 | 12.2 | 6.9 |
JGS1-10-25 | 10 | 25 | 2.0 | 3.1 | 22.8 | 115 |
JGS1-15-25 | 15 | 25 | 2.0 | 4.8 | 21.7 | 115 |
JGS1-15-30 | 15 | 30 | 2.0 | 4.2 | 27.1 | 13.8 |
JGS1-25-30 | 25 | 30 | 20 | 10 | 23.2 | 13.8 |
JGS1-25-50 | 25 | 50 | 2.0 | 5.7 | 45.1 | 230 |
JGS1-25-100 | 25 | 250 | 2.0 | 3.7 | 97.4 | 46.0 |
JGS1-25-150 | 25 | 150 | 2.0 | 3.1 | 147.8 | 69.0 |
JGS1-25-200 | 25 | 200 | 2.0 | 29 | 198.0 | 92 |
JGS1-25-300 | 25 | 300 | 2.0 | 25 | 298.3 | 138.0 |
JGS1-25.4-30 | 25.4 | 30 | 1.6 | 10.0 | 23.2 | 13.8 |
JGS1-25.4-50 | 25.4 | 50 | 1.9 | 5.7 | 46.1 | 23.0 |
JGS1-25.4-80 | 25.4 | 80 | 1.9 | 4.2 | 77.1 | 36.8 |
JGS1-25.4-100 | 25.4 | 100 | 1.9 | 3.7 | 97.5 | 460 |
JGS1-25.4-150 | 25.4 | 150 | 1.9 | 3.1 | 147.9 | 69.0 |
JGS1-25.4-200 | 25.4 | 200 | 1.9 | 2.9 | 198.0 | 920 |
JGS1-25.4-250 | 25.4 | 100 | 1.9 | 2.7 | 248.2 | 115.0 |
JGS1-25.4-300 | 25.4 | 300 | 1.9 | 25 | 298.3 | 138.0 |
JGS1-25.4-400 | 25.4 | 400 | 1.9 | 23 | 398.4 | 184.0 |
JGS1-25.4-500 | 25.4 | 500 | 1.9 | 23 | 458.0 | 230.0 |
JGS1-25.4-1000 | 25.4 | 1000 | 1.9 | 2.1 | 998.6 | 460.0 |
JGS1-50-400 | 50 | 400 | 3.0 | 4.7 | 396.8 | 184.0 |
JGS1-50.8-60 | 50.8 | 60 | 3.0 | 19.8 | 46.4 | 27.5 |
JGS1-50.8-75 | 50.8 | 75 | 3.0 | 14.2 | 65.3 | 34.4 |
JGS1-50.8-100 | 50.8 | 100 | 3.0 | 10.7 | 92.6 | 45.8 |
JGS1-50.8-125 | 50.8 | 125 | 3.0 | 8.8 | 118.9 | 57.5 |
JGS1-50.8-150 | 50.8 | 150 | 3.0 | 7.8 | 144.6 | 687 |
JGS1-50.8-200 | 50.8 | 200 | 3.0 | 6.6 | 195.4 | 917 |
JGS1-50.8-250 | 50.8 | 250 | 3.0 | 5.8 | 246.0 | 114.6 |
JGS1-50.8-300 | 50.8 | 300 | 3.0 | 5.4 | 296.3 | 137.5 |
JGS1-50.8-450 | 50.8 | 450 | 3.0 | 4.5. | 445.9 | 207 |
JGS1-50.8-500 | 50.8 | 500 | 3.0 | 4.4 | 456.9 | 229.2 |
JGS1-50.8-750 | 50.8 | 750 | 3.0 | 3.9 | 747.3 | 343.8 |
JGS1-50.8-1000 | 50.8 | 1000 | 3.0 | 3.7 | 997.4 | 458.5 |