The G312258000 is a plano-convex lens with a diameter of 12.5 mm, sourced from Qioptiq Photonics. This lens is designed for use with a wavelength of 355 nm and is uncoated. The lens's geometry includes a thickness of 1.3 mm at the edge and 3 mm at the center, with a 25 mm effective focal length (EFL). The lens's inner and outer radii are both 0, and its shape is spherical, with a radius of curvature of 12.589 mm on the convex side.
The lens is made of UVFS material, specifically identified as "UVFS mal- 1965". The item data does not provide information about any coatings on this lens. The lens's web links indicate that it is in stock, and users can find more information and purchase options on the Qioptiq Photonics website.