This is a Plano-Convex lens, type 38-299-INK, sourced from the renowned optical component vendor, Edmund Optics. The lens, with a base shape of a circle, is designed for visible light applications, specifically within the wavelength range of 425-675nm.
The lens has a diameter of 12.7mm and a thickness of 1.62mm at the edge, which gradually increases to 3.8mm at the center. The effective focal length (EFL) of the lens is 20mm, making it suitable for a variety of optical applications. The radius of curvature (R1) of the lens is 10.34mm, and the back focal length (BFL) is 17.49mm.
The lens is made of N-BK7 Schott, a popular optical glass due to its excellent optical properties and versatility. The lens features a standard Vis-0 coating on both the front and back surfaces, providing superior anti-reflection properties and improving overall transmission.
This lens is in stock and available for immediate shipping. For more detailed information, please refer to the vendor's website at https://www.edmundoptics.com/f/vis-0-coated-plano-convex-pcx-lenses/12964/.