This is a G311387000 12.7 mm Dia. N-BK7 Double-Convex Lens, characterized by a focal length (EFL) of 150mm and an uncoated surface. The lens is sourced from Qioptiq Photonics, a renowned vendor in the field of precision optics.
The lens is of the Spherical type, specifically a Spherical Lens with a Convex-Convex base shape. It features a circular geometry with a diameter of 12.7 mm and a thickness at the edge of 2.7 mm. The thickness at the center of the lens is 3 mm. The lens's inner and outer radii are both zero, indicating a symmetrical design.
The lens is made from N-BK7, a popular glass type in the optical industry, known for its excellent optical properties. The wavelength for this lens is 587.6 nm. The lens does not come with any coating, as indicated by the empty "coating" field in the item data.
For more detailed information, users are encouraged to visit the vendor's website using the provided weblink, which is currently valid and indicates the lens is in stock.