Double-Concave (DCV) Lenses have two inward curved surfaces and a negative focal length. They are used for image reduction and to spread light.These lenses are available with a variety of Anti-Reflection coating options: MgF2, VIS 0°, VIS NIR, NIR I and NIR II.
| Edmund Optics Inc. | |
|---|---|
| Product Category | Optical Lenses |
| Product Number | NT48-682 |
| Product Name | Double-Concave Lens, 9mm Dia. x -18mm FL, Uncoated |
| Lens Type | Spherical Lens |
| Focal Length | -18 mm (-0.7087 inch) |
| Center Thickness | 1.5 mm (0.0591 inch) |
| Edge Thickness | 2.45 mm (0.0965 inch) |
