This is a G311321400 25.4 mm Dia. N-BK7 Double-Convex Lens, designed with an effective focal length (EFL) of 30mm. The lens is sourced from Qioptiq Photonics, a renowned vendor in the field of precision optics.
The lens is a Spherical Lens of the Sub Type Symmetric-Convex, featuring a Base Shape of Circular. The geometry of the lens includes a diameter of 25.4mm, a thickness edge of 1.4mm, and a thickness center of 7mm. The lens is made from N-BK7 Schott, a popular material in the optical industry due to its excellent optical properties.
The lens is coated with qio silver ragv 45 on both the front and back surfaces, providing enhanced performance and durability. The lens's shape is Spherical, and it operates at a wavelength of 587.6nm.
The lens is currently in stock and can be purchased directly from the vendor's website. For more information, please refer to the provided weblink.