This is the BF-px-25.4-150, a 25.4 mm diameter Plano-Convex lens made from BaF2 (Barium Fluoride) material. The lens is sourced from Alkor Technologies and is currently in stock, as indicated by its valid weblink status.
The lens features a spherical shape, with a base shape that is circular. The geometry of the lens includes an outer radius of 0, indicating a planar surface on one side, and an inner radius of 0, suggesting a convex surface on the other side. The thickness at the edge of the lens is 2 mm, while the thickness at the center is 3.2 mm. The Effective Focal Length (EFL) of the lens is 150 mm.
The lens is designed to operate at a wavelength of 5000 nm. It is made of BaF2, a material with a high transparency in the ultraviolet, visible, and infrared regions. The lens does not have any coating, as indicated by the empty 'coating' field in the item data.
For more information about this lens, you can refer to the vendor's website through the provided weblink.