This is the PLCC-25.4-38.6-UV, a Spherical Lens (Plano-Concave) from CVI Laser Optics. It is a circular lens with a diameter of 25.4 mm and a center thickness of 2 mm. The effective focal length (EFL) of this lens is -75 mm, and the radius of curvature (R1) is -38.6 mm. The lens does not have an inner or outer radius.
The lens is made of UVFS material, specifically UVFS MAL-1965. It is designed to operate at a wavelength of 588 nm. The lens shape is spherical, and it does not have any coating.
The catalog number for this lens is PLCC-25.4-38.6-UV. It is currently in stock and available for purchase. The weblink provided leads to a PDF document with more detailed specifications.
This lens is suitable for use in laser applications, thanks to its UVFS material and laser grade quality. Its plano-concave design makes it suitable for use in a variety of optical systems. The uncoated surface allows for customization based on specific application requirements.