This is a Plano-Convex lens, type of spherical lens, with a circular base shape and a diameter of 12.7 mm. The lens has a thickness of 2.5 mm at the edge and 3 mm at the center. The effective focal length (EFL) of this lens is 80 mm, specifically designed for the wavelength of 1064 nm.
The lens is made of N-BK7, a type of glass manufactured by Schott, which is known for its excellent optical properties. This lens is offered by Qioptiq Photonics, a leading vendor in the field of precision optics. The lens is coated with qio hp nbar arhs-yag on both the front and back surfaces, providing anti-reflective properties.
The link to the product page is: https://www.qioptiq-shop.com/en/Precision-Optics/Singlets/Plano-Convex-Lenses/Plano-convex-lenses-unmounted.html. The product is currently in stock, as per the vendor's website.