This KBX172AR.16 lens, sourced from MKS/Newport, is a Spherical Lens of the Sub Type Spherical Lens (Convex-Convex). Its base shape is Circular, and it boasts a diameter of 50.8 mm. The lens has a thickness edge of 3 mm and a thickness center of 5.09 mm. The Effective Focal Length (EFL) is 300 mm, and the Radius of Curvature (RoC) for the first surface (r1) is 309.222 mm, while for the second surface (r2) it is -309.222 mm. The Back Focal Length (BFL) is 298.31 mm.
The lens is made of N-BK7 Schott, a popular optical glass due to its excellent optical properties and relatively low cost. The lens is coated with New AR-16 fromfigure on both the front and back surfaces, enhancing its performance in the Near-Infrared (NIR) spectrum, specifically between 650 and 1000 nm.
This lens is currently in stock and available for immediate purchase. For more detailed information, please refer to the vendor's website at https://www.newport.com/f/ar16-n-bk7-bi-convex-lenses.