The 48-312 is a 25mm diameter, 250mm focal length Spherical Lens, specifically designed for UV applications with a wavelength range of 250-425nm. Sourced from the reputable vendor Edmund Optics, this lens boasts a UV-AR coating on both the front and back surfaces, ensuring optimal performance in UV light transmission.
The lens is a Double-Convex type, featuring a base shape of Circular and a Spherical geometry. The inner radius is 0, while the outer radius measures the same, indicating a symmetrical design. The lens has a thickness edge of 2.53 and a thickness center of 3.21, providing robustness and durability.
The lens's effective focal length (EFL) is 250, and the back focal length (BFL) is 248.9. The first radius of curvature (R1) is 228.73, and the second radius of curvature (R2) is -228.73, suggesting a strong focusing power.
The lens is made of fused sil mal-1965, a material known for its excellent optical properties and resistance to environmental factors. This makes the 48-312 an ideal choice for applications requiring high-performance UV lenses.