This is the FS-px-76.2-152, a Plano-Convex Lens with a diameter of 76.2 mm, sourced from Alkor Technologies. The lens is made of UVFS material with the Mal-1965 identification. The lens's geometry is characterized by a thickness of 3 mm at the edge and 14.3 mm at the center, with an effective focal length (EFL) of 152.4 mm. The lens's design is spherical, with a radius of curvature of 70.15 mm for the convex surface. The lens does not have any coating, as indicated in the item data.
The lens is intended for use with a wavelength of 587.6 nm. It is important to note that the lens's inner and outer radii are both 0, indicating that this lens is a bare, unmounted element. This lens is currently in stock and available for purchase, as indicated by its valid weblink status.