49-373 30 mm Dia. N-SSK8/N-SF10 Achromatic Doublet; EFL=75mm VIS-NIR 400-1000nm

The 49-373 is a high-quality achromatic doublet lens, boasting a 30 mm diameter and a focal length of 75 mm, specifically designed for the visual (VIS) and near-infrared (NIR) spectrum, spanning 400-1000 nm. This lens is sourced from the reputable optical vendor, Edmund Optics, and is a part of their extensive catalog.

The lens is constructed from two types of Schott glass, N-SSK8 and N-SF10, which are renowned for their excellent optical properties. The front and back surfaces of the lens are coated with the EDM VISNIR0SP2002000 coating, enhancing its performance in the VIS-NIR spectrum.

The geometry of the lens is meticulously designed, with an inner radius of 0 mm, an outer radius of 0 mm, and a central thickness of 8.4 mm. The edge thickness is also 8.4 mm, while the central thickness at the air side is 3 mm. The lens's shape is a multiplet, which is a combination of multiple individual lenses to achieve superior optical performance.

This lens is a versatile choice for various applications that require high-performance optics in the VIS-NIR spectrum. Its achromatic design ensures minimal chromatic aberration, making it suitable for imaging and metrology applications. The lens's robust construction and reliable performance make it a trusted choice for researchers and engineers in the field of optics.

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