BRD Optical provide meniscus lens in both positive and negative focal lengths. These lenses are useful when used with another lenses to increase or decrease the focal length. This lens element configuration does not introduce any additional coma or spherical aberrations
| ECOPTIK (CHANGCHUN) LTD | |
|---|---|
| Product Category | Optical Lenses |
| Product Name | Meniscus Lens / Optical Components |
| Lens Type | Meniscus; Spherical Lens |
| Focal Length | -50 to -2000 mm (-1.97 to -78.74 inch) |
| Center Thickness | 2 to 20 mm (0.0787 to 0.7874 inch) |
| Diameter / Length | 2 to 300 mm (0.0787 to 11.81 inch) |
