This is the G340178000 12.7 mm Dia. UVFS Plano-Concave Lens, a high-quality optical component sourced from Qioptiq Photonics. This lens is designed with a spherical shape and a base shape of a circle, making it suitable for a wide range of optical applications.
The lens has a diameter of 12.7 mm and a center thickness of 6 mm. It features an effective focal length (EFL) of -1000mm, indicating its concave nature. The inner and outer radii are 0, suggesting a symmetrical curvature.
The lens is made from UVFS material with a Mal-1965 ID. It is designed to operate at a wavelength of 355 nm. The lens does not come with any coating, as indicated by the empty 'coating' field in the item data.
The lens is currently in stock and can be purchased directly from the Qioptiq Photonics website using the provided weblink. The link has been verified and is valid at the time of writing.