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 uncoated or with other Anti-Reflection coating options including: VIS 0°, VIS NIR, NIR I and NIR II.
| Edmund Optics Inc. | |
|---|---|
| Product Category | Optical Lenses |
| Product Number | NT48-340 |
| Product Name | Double-Concave Lens, 9mm Dia. x -9mm FL, MgF2 Coating |
| Lens Type | Spherical Lens |
| Focal Length | -9 mm (-0.3543 inch) |
| Center Thickness | 2.25 mm (0.0886 inch) |
| Edge Thickness | 3.48 mm (0.1370 inch) |
