67-582 50.0mm Dia. x 75.0mm FL; NIR II Coated; Plano-Convex Lens NIR II 750-1550nm

This is a 67-582 Plano-Convex Lens, a high-quality optical component sourced from Edmund Optics. The lens boasts a diameter of 50.0mm and a focal length of 75.0mm, making it suitable for a wide range of applications.

The lens is made from N-BK7 Schott, a popular optical glass due to its excellent optical properties and versatility. It has a refractive index of 1.5168 at 587.6nm, which contributes to its high-performance capabilities.

The lens features a plano-convex geometry, meaning one side is flat while the other is curved. The radius of curvature for the curved side is 155.04mm. This geometry allows for efficient light transmission and focusing.

The lens is coated with Edmund Optics' NIR-II standard curve coating on both the front and back surfaces. This coating enhances the lens's performance in the near-infrared spectrum, specifically between 750-1550nm, making it ideal for applications such as night vision, thermal imaging, and scientific research.

The lens has an effective focal length (EFL) of 300mm and a back focal length (BFL) of 296.7mm. The edge thickness is 3.7mm, while the center thickness is 5mm. The lens's base shape is circular, adding to its versatility in various applications.