This is a Spherical Lens (Concave-Concave) type optical component, sourced from the reputable vendor, Laser Components. The lens, identified as BICC-50.8/100.0UV, has a base shape of Circular and is designed for use in various optical systems.
The lens has a diameter of 50.8 mm, with a thickness at the edge of 9 mm and a center thickness of 3 mm. The effective focal length (EFL) of this lens is -98 mm, indicating its double-concave nature. The first radius of curvature (R1) is -100 mm, and the second radius of curvature (R2) is 100 mm, further confirming its concave-concave design.
The lens is made from fused sil mal-1965, a material known for its optical transparency and durability. It is designed to operate at a wavelength of 248 nm. The lens does not come with any coating, as indicated in the item data.
The lens is currently in stock and more information about it can be found on the vendor's website using the provided weblink. This detailed description should help you in your search for optical components with similar specifications.