32-494 25 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=150mm MgF2 400-700nm

The 32-494 is a high-quality achromatic doublet lens, sourced from the renowned optical vendor, Edmund Optics. This lens is specifically designed for use in the 400-700nm spectral range, making it suitable for a wide range of applications in the visible light spectrum.

The lens features a 25mm diameter and an effective focal length (EFL) of 150mm, providing a substantial working distance for your optical setup. The achromatic design, which combines two different glass types (N-BK7 and N-SF5), effectively corrects for chromatic aberration, ensuring sharp and clear imaging across the entire spectral range.

The lens is coated with MgF2, a standard coating that provides excellent anti-reflection properties, further enhancing image quality by reducing unwanted reflections and increasing transmission. The front and back surfaces of the lens are coated with the same MgF2 coating, ensuring consistent performance across the entire lens.

The lens geometry is carefully designed to provide optimal performance. The edge thickness is 6.65mm, while the center thickness is 5.7mm, providing a robust and stable platform for your optical system. The lens also features a multi-faceted design, with radii of curvature of 91.37mm, -66.21mm, and -197.71mm, which are carefully calculated to provide the best possible imaging performance.