This is a G311315331 double-convex lens, featuring a 22.4 mm diameter and a focal length of 50mm. The lens is made of N-BK7, a popular glass type from Schott, known for its excellent optical properties and versatility. The lens has a front and back coating of Qio AR Lavis AOI 45, which enhances its light transmission capabilities and reduces surface reflections.
The lens's geometry is characterized by its symmetrical convex shape, with a thickness of 2.1mm at the edge and 4.5mm at the center. The radii of curvature for the first and second surfaces are 52.33mm and -52.33mm, respectively. The lens does not have an inner or outer radius.
This lens is sourced from Qioptiq Photonics, a renowned vendor in the field of precision optics. According to the vendor's information, the lens is in stock and available for immediate purchase. The vendor's website also provides further technical details and specifications for this product.