This is the PLCC-25.4-64.4-UV, a laser grade plano-concave lens with a diameter of 25.4 mm, sourced from CVI Laser Optics. The lens is designed for use with a wavelength of 588 nm and is uncoated.
The lens features a concave shape with an inner radius of 0 mm and an outer radius of 0 mm. The center thickness of the lens is 2 mm, and it has an effective focal length (EFL) of -125 mm, making it suitable for a variety of optical applications.
The lens is made from UVFS material, specifically identified as "UVFS MAL-1965" in the item data. This material is known for its durability and performance in laser applications.
The item data also indicates that this lens is in stock and available for immediate use. Further information about this lens, including detailed specifications, can be found in the linked PDF document.