This is the PLCC-12.7-25.8-UV, a laser grade plano-concave lens from CVI Laser Optics. The lens, which is uncoated, has a diameter of 12.7 mm and a center thickness of 2 mm. The effective focal length (EFL) of this lens is -50 mm, and its radius of curvature (R1) is -25.8 mm. The lens is made from UVFS material, specifically identified as "UVFS MAL-1965".
The PLCC-12.7-25.8-UV is designed to work with a wavelength of 588 nm. Its spherical shape and uncoated surface make it suitable for a wide range of optical applications. The lens is sourced from CVI Laser Optics, a reputable vendor in the optical industry, and is available in their inventory.
Please note that the lens does not have any coating specified in its parameters. If you require a coated lens, you may need to consider other options or specify your coating requirements to the vendor.
For more detailed specifications and technical data, please refer to the vendor's product catalog or website. The link to the relevant catalog page is provided in the item data for your convenience.