This is a 14BCX12.7-05-2 12.7 mm UVFS Double-Convex Lens, sourced from the reputable vendor, Standa. The lens is uncoated and features a Spherical shape, specifically designed for use with a wavelength of 355 nm.
The lens is a Spherical type, with a Base Shape of Circular. It has a diameter of 12.7 mm and a thickness at the edge of 1.8 mm. The thickness at the center of the lens is 6 mm, and it has an Effective Focal Length (EFL) of 12.7 mm. The first radius of curvature (r1) is 11.069682, and the second radius of curvature (r2) is -11.069682. The Inner Radius and Outer Radius are both 0.
The lens is made from UVFS material, specifically identified as UVFS MAL-1965. The item data does not provide information about any coating on the lens. This lens is in stock and available for immediate purchase, as indicated by the "weblink status" field in the item data.
For more detailed information, please refer to the vendor's website at http://www.standaphotonics.com/lenses/double-convex-lenses.php.