49-331-INK 12.5 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=80mm VIS-NIR 400-1000nm

The 49-331-INK is a high-quality achromatic doublet lens, sourced from the renowned optical vendor, Edmund Optics. This lens, with a diameter of 12.5 mm, is designed for use in the visible to near-infrared spectrum, spanning 400-1000nm. The lens is specifically designed for use in a variety of applications, including imaging, beam shaping, and focusing.

The lens is constructed from two types of glass, N-BK7 and N-SF5, both from Schott, ensuring high-quality optical performance. The use of these materials in a doublet configuration helps to correct chromatic aberrations, a common issue in optical systems, providing clear, focused images.

The lens has an effective focal length (EFL) of 80mm, making it suitable for use in systems where a longer focal length is required. The lens also features a front and back coating of EDm VIS-NIR 0SP200-2000, which enhances its transmission capabilities in the specified wavelength range.

The lens geometry includes a central thickness of 2.1mm, with edge and center-A thicknesses of 3.12mm and 1.6mm respectively. The lens also features a curvature of r1=49.62mm and r2=-35.73mm, with an inner and outer radius of 0mm.

The lens is currently in stock and available for immediate purchase. For more information, including pricing and availability, please refer to the provided weblink.