illustrate:
Plano-concave lens (PCV) has a flat surface on one side, and an inwardly curved surface on the other side. The focal length is negative. It can be used to reduce imaging or diverging light. It can be customized according to samples and drawings.
parameter:
Incident angle | 0° | wavelength | 587.6nm |
Wavelength range | 430~680nm | index | 430~680nm@Ravg≤0.4% |
Focal length tolerance | ±1% | Finish | 40/20 |
Center thickness tolerance | ±0.1mm | Face type | λ/4 |
List of conventional products:
Product number | Substrate | focal length | diameter | Center thickness | Radius R1 | Finish |
D8F23.9 | ZF10 | -23.90 | 8 | 2.20 | -16.44 | 40/20 |
D10F13 | K9L | -13.00 | 10 | 3.00 | -6.71 | 40/20 |
D12F98.2 | JGS1 | -98.20 | 12 | 5.00 | -45.00 | 40/20 |
D407F149 | ZF3 | -149.00 | 40 | 4.07 | -107.08 | 40/20 |
D8F23.9 | ZF10 | -23.90 | 8 | 2.20 | -16.44 | 40/20 |
D10F13 | K9L | -13.00 | 10 | 3.00 | -6.71 | 40/20 |
D12F98.2 | JGS1 | -98.20 | 12 | 5.00 | -45.00 | 40/20 |
D40F149 | ZF3 | -149.00 | 40 | 4.07 | -107.08 | 40/20 |