This is a G312245322 Plano-Convex Lens, sourced from the renowned optical components manufacturer, Qioptiq Photonics. The lens, which has a base shape of a circle, is designed for use in the ultraviolet to near-infrared spectrum, specifically between 450nm and 700nm.
The lens has a diameter of 50mm and a thickness at the edge of 1.9mm, while the center thickness is 4.4mm. The effective focal length (EFL) of this lens is 250mm, making it suitable for applications that require a longer focal length. The lens's front and back surfaces are coated with Qioptiq's BBAR ARB2VISNBK7 coating, which is designed to reduce reflection and increase transmission in the visible and near-infrared spectrum.
The lens is made of UVFS material with the material ID "uvfs mal- 1965". The front surface of the lens has a radius of curvature of 125.89mm, while the back surface is flat. The lens is unmounted and fused silica, providing users with the flexibility to mount it according to their specific requirements.
The lens is currently in stock and available for purchase on the Qioptiq Photonics website. For more detailed information, users are encouraged to visit the provided weblink.