This is a Plano-Convex lens, a type of spherical lens with a flat surface on one side and a curved surface on the other. The lens is mounted and has a base shape of a circle. It is sourced from Qioptiq Photonics, a renowned vendor in the field of precision optics.
The lens has a diameter of 25.4 mm and a thickness at the edge of 3.2 mm. The thickness at the center is 4 mm. The effective focal length (EFL) of the lens is 200 mm, making it suitable for applications that require a longer focal length.
The lens is made of N-BK7, a type of glass commonly used in optical applications due to its excellent optical properties. The material is identified by the vendor as "n-bk7 schott", indicating its origin and type.
The lens is coated on both the front and back surfaces with Qio Bbar Arb2nirnbk7, a type of coating that enhances the lens's performance in the 725-1050 nm wavelength range. This makes the lens suitable for applications that require good performance in the near-infrared spectrum.
The lens is currently in stock and available for purchase. More information about this lens, including its specifications and purchasing details, can be found on the Qioptiq Photonics website.