The 48-981 is a high-quality spherical lens, boasting a diameter of 18mm and a focal length of 40mm. This lens is sourced from the reputable vendor, Edmund Optics, and is currently in stock, as indicated by its weblink status.
The lens is designed with a double-convex geometry, featuring inner and outer radii of 0mm each, and a base shape that is circular. The edge thickness of the lens measures 2mm, while the center thickness is 4.29mm, providing a robust structure for various applications.
The lens is constructed from fused silica material, specifically identified as fused sil mal-1965 in the item data. This material is known for its excellent optical properties, making it suitable for a wide range of applications.
The lens features a coating on both the front and back surfaces. The front coating is edm vis-0 std curve, while the back coating is also edm vis-0 std curve. This coating enhances the lens' performance in the visible spectrum, as indicated by the wavelength of 587.6nm.
The lens is designed to transmit light in the UV spectrum, specifically between 425-675nm. This makes it suitable for applications that require UV transmission, such as UV imaging or spectroscopy.