The 32-902 is a Spherical Lens (Convex-Convex) type of optical component with a base shape of Circular. This lens, sourced from Edmund Optics, has a diameter of 25mm and a thickness edge of 4.25mm, while its thickness center measures 5mm. The effective focal length (EFL) of this lens is 200mm, and its back focal length (BFL) is 198.35mm.
The lens is made of N-K5 material from Schott, and it is not coated. The radii of curvature for this lens are R1: 208.34mm and R2: -208.34mm. The wavelength for this lens is 587.6nm.
For more information, you can refer to the vendor's website at https://www.edmundoptics.com/p/25mm-dia-x-200mm-fl-uncoated-dcx-n-k5-lens/2685/. The link is currently valid and indicates that the lens is in stock.