This is a high-quality double-convex lens, sourced from the renowned optical components manufacturer, Edmund Optics. The lens, identified as item number 89-243, boasts a 12mm diameter and a focal length of 36mm. It is crafted from the well-regarded material, n-BK7 Schott, which is known for its excellent optical properties.
The lens features a YAG-BBAR coating on both the front and back surfaces, within the wavelength range of 500-1100nm. This coating enhances the lens's performance by reducing reflection and increasing transmission, thereby improving overall light efficiency. The front and back thicknesses of the lens are 2.31mm and 3.3mm, respectively, while the back focal length is 34.9mm.
This lens is a versatile choice for various applications, particularly where high light transmission and minimal reflection are required. Its robust construction and reliable performance make it a trusted choice for optical professionals and enthusiasts alike. For more detailed specifications and availability, please refer to the vendor's website.