49-839 12.7mm Dia. x 12.7mm FL; Uncoated; Plano-Convex Lens

The 49-839 is a 12.7mm diameter, 12.7mm focal length Plano-Convex lens, sourced from the renowned optical component vendor, Edmund Optics. This lens, designed for general-purpose use, is uncoated, offering users a cost-effective solution for their optical needs.

The lens's geometry is characterized by a 1.72mm edge thickness and a 4mm center thickness, providing a balanced structure for various applications. The effective focal length (EFL) is 12.7mm, which, coupled with its large diameter, makes it suitable for wide-angle optical systems. The lens's radius of curvature (R1) is 9.97mm, and the back focal length (BFL) is 10.46mm, contributing to its overall optical performance.

The lens is made from the high-quality material n-SF11 from Schott, a leading manufacturer of optical glass. This material is known for its excellent optical properties, including high transmission and low auto-fluorescence, making it ideal for various applications, such as imaging, beam shaping, and laser systems.

The 49-839 operates at a wavelength of 587.6nm, which falls within the visible light spectrum. This wavelength compatibility makes it suitable for applications involving visible light, such as machine vision, biomedical imaging, and optical metrology.