This is a Plano-Convex Lens, type Lens, sourced from the reputable vendor Standa. The lens is spherical in shape and has a base shape of a circle. It is designed for use with a wavelength of 355 nm.
The lens has a diameter of 25.4 mm and a thickness at the edge of 3.7 mm. The center thickness is slightly more, at 4 mm. The effective focal length (EFL) of this lens is 700 mm. The radius of curvature for the first surface (R1) is 333.25 mm, while the second surface is flat (Inner Radius: 0, Outer Radius: 0).
The lens is made from UVFS Mal- 1965, a material specifically chosen for its optical properties at the specified wavelength. It does not come with any coating, as indicated by the empty 'coating' field in the item data.
The weblink provided leads to the product page on Standa's website, where you can find more information about this lens, including its availability and pricing. The link status is 'Valid - in stock', suggesting that you can purchase and receive this lens relatively quickly.