This is a Plano-Convex lens, type 38-433, with a diameter of 35.0mm and a focal length of 35.0mm, specifically designed for use in the near-infrared (NIR) spectrum, covering the wavelength range of 750-1550nm. The lens is sourced from the reputable vendor, Edmund Optics.
The lens is made of n-sf11 Schott, a high-index glass with excellent transmittance in the NIR region. The front and back surfaces of the lens are coated with the EDM NIR-II standard curve coating, which is designed to enhance the lens' performance in the NIR spectrum. This coating provides improved transmission and reduced reflection, ensuring optimal light transmission and minimal loss.
The lens geometry includes a 1.7mm thickness at the edge and an 8mm thickness at the center. The radius of curvature for the front surface is 27.47mm, and the back focal length is 30.52mm. The lens is spherical in shape, ensuring excellent image quality and minimal distortion.
The lens is currently in stock and available for immediate purchase. For more information, including pricing and availability, please refer to the provided web link.