G311387329 12.7 mm Dia. N-BK7 Double-Convex Lens; EFL=150mm 1064nm

This is a G311387329 12.7 mm Dia. N-BK7 Double-Convex Lens, designed with an effective focal length (EFL) of 150mm for a wavelength of 1064nm. The lens is sourced from the reputable vendor Qioptiq Photonics, and is available for purchase on their website, which provides detailed product information and current stock availability.

The lens is a Spherical Lens of the Sub Type Symmetric-Convex, featuring a Base Shape of Circular. It has a diameter of 12.7mm and a thickness at the edge of 2.7mm, while the center thickness measures 3mm. The lens's first radius of curvature (R1) is 153.99mm, and the second radius (R2) is -153.99mm, indicating a double-convex design. The Inner and Outer Radius are both 0mm.

The lens is made of N-BK7 Schott, a popular material in the optical industry due to its excellent optical properties. The lens is coated with Qio Hp Nbar Arhs-Yag on both the front and back surfaces, providing anti-reflection properties that enhance the lens's performance.

Please note that the wavelength provided is 587.6nm. However, the lens is specifically designed for a wavelength of 1064nm, as indicated in the item name. This discrepancy may be due to a typographical error or a difference in the naming convention used by the vendor. Therefore, it is crucial to refer to the vendor's specifications when using this lens.