49-539 50.0mm Dia. x -125 FL; NIR I Coated; Plano-Concave Lens 600-1050nm

The 49-539 is a Plano-Concave Lens, a type of spherical lens, with a diameter of 50.0mm and a focal length of -125.0mm. This lens is sourced from Edmund Optics, a reputable vendor in the optical industry. The lens is designed for use within the near-infrared (NIR) spectrum, specifically between 600-1050nm, making it suitable for a variety of applications within this range.

The lens is made from N-BK7 Schott, a popular optical glass due to its excellent optical properties and versatility. The lens features a standard curve coating on both the front and back surfaces, specifically the EDM NIR-I coating. This coating enhances the lens' performance in the NIR spectrum by reducing surface reflections and increasing transmission.

The lens has a thickness of 9.87mm at the edge and 5.0mm at the center, providing a robust structure. The inner and outer radii are both 0.0mm, indicating a simple, straightforward design. The back focal length (BFL) is -128.3mm, a value that is crucial for determining the position of the lens in an optical system.

The item data also provides a web link to the product page on the vendor's website, ensuring easy access to additional information or to place an order. This lens is currently in stock, indicating its availability for immediate purchase and delivery.