67-671 40mm Dia. x 200mm FL; NIR II Coated; DCX N-K5 Lens NIR II 750-1550nm

The 67-671 is a high-quality spherical lens, boasting a 40mm diameter and a focal length of 200mm, sourced from the renowned optical vendor, Edmund Optics. This lens is specifically designed for use in the near-infrared (NIR) spectrum, with a wavelength of 587.6nm, and is coated with the EDM NIR-II standard curve on both the front and back surfaces.

The lens is constructed from N-K5 Schott glass, a material known for its excellent optical properties in the NIR range. The geometry of the lens is meticulously designed, with an edge thickness of 6.07mm and a center thickness of 8mm. The effective focal length (EFL) is 200mm, and the back focal length (BFL) is 197.36mm. The first and second radii of curvature are +207.93mm and -207.93mm, respectively.

The lens is available for purchase directly from the Edmund Optics website, where it is currently in stock. The provided weblink leads directly to the product page for easy access and purchase. This lens is a versatile and reliable choice for any application that requires high-quality performance in the NIR spectrum.