16-291 12.5mm Dia. S-LAH64 NIR Aspheric Lens; EFL=10mm; NA=0.63 SWIR-Plus 900-1700nm

The 16-291 is a high-performance aspheric lens designed for use in the near-infrared (NIR) spectrum, specifically for wavelengths between 900 and 1700nm. This lens is manufactured by Edmund Optics, a leading provider of optical components, and is available for purchase through their website.

The lens features a 12.5mm diameter and a numerical aperture (NA) of 0.63, making it suitable for a wide range of applications that require high light-gathering capabilities and sharp image resolution. The aspheric design of the lens helps to minimize spherical aberration, a common issue in traditional spherical lenses, thereby improving the overall image quality.

The lens is made from S-LAH64, a high-quality optical glass from Ohara that offers excellent transmission properties in the NIR spectrum. The lens is coated with Edmund Optics' SWIR-Plus coating, which is specifically designed for use in the 900-1700nm range. This coating helps to reduce surface reflections, thereby improving the overall transmission efficiency of the lens.

The lens has an effective focal length (EFL) of 10mm, making it suitable for use in compact optical systems where space is at a premium. The lens has a center thickness of 4.25mm and an edge thickness of 1.6mm, providing a robust and durable design that can withstand the rigors of regular use.