These lenses have one flat surface and one concave surface. They have a negative focal length and are used to diverge incoming light, or to increase focal length in an existing optical system. They can be used in beam expanders and projection systems.
| Ross Optical Industries | |
|---|---|
| Product Category | Optical Lenses |
| Product Number | L-PCC020 |
| Product Name | Plano Concave Lens |
| Lens Type | Spherical Lens |
| Lens Application | Infrared (optional feature); Visible; Ultraviolet (optional feature) |
| Focal Length | -60 mm (-2.36 inch) |
| Center Thickness | 1.5 mm (0.0591 inch) |
| Edge Thickness | 2.1 mm (0.0827 inch) |
