The 88-671-INK is a Plano-Convex lens, a type of spherical lens, sourced from Edmund Optics. This lens has a diameter of 12.0mm and a focal length of 12.0mm, making it a versatile choice for various optical applications. The lens is made from n-sf11 Schott, a high-index glass with excellent optical properties.
The lens features a VIS-EXT coating on both the front and back surfaces. This coating is designed to enhance transmission in the visible spectrum, specifically between 350-700nm. The coating also provides protection against environmental factors, ensuring the longevity and performance of the lens.
The geometry of the lens includes a thickness of 1.84mm at the edge and 4.0mm at the center. The inner radius is 0mm, and the outer radius is also 0mm, indicating a plano surface on the incident side. The lens's back focal length is 9.76mm, and its effective focal length is 12mm.