G311357400 31.5 mm Dia. N-BK7 Double-Convex Lens; EFL=70mm

The G311357400 is a high-quality double-convex lens, featuring a 31.5 mm diameter and a focal length of 70mm. Manufactured by Qioptiq Photonics, this lens is made from N-BK7, a popular glass type known for its excellent optical properties.

The lens's geometry includes a thickness edge of 2.1mm and a thickness center of 5.5mm, providing a robust structure. The double-convex shape, characterized by two spherical surfaces that curve outwards, is designed to focus light onto a single point, making it ideal for various applications such as microscopy, telescopy, and other optical systems.

The lens features a coating of qio silver ragv 45 on both the front and back surfaces, enhancing its light transmission capabilities and durability. This coating ensures optimal performance across a wide range of wavelengths, with a specified wavelength of 587.6nm.

The item data also indicates that this lens is unmounted, providing users with the flexibility to integrate it into their existing systems or create custom setups. The data's validity and the lens's availability are confirmed by the "weblink status" field, which shows "Valid - in stock".