This is a Plano-Convex Lens, a type of spherical lens, sourced from Edmund Optics. The lens has a base shape of a circle and a diameter of 40.0mm. The thickness at the edge of the lens is 4.03mm, while the thickness at the center is 5mm. The effective focal length (EFL) of the lens is 400mm.
The lens is made of N-BK7 Schott, a popular optical glass due to its excellent optical properties and relatively low cost. The front and back of the lens are coated with EDM VIS-0 STD CURVE, a type of anti-reflective coating designed for use in the visible spectrum, specifically between 425-675nm.
The lens's inner radius is 0mm, and the outer radius is also 0mm, indicating a uniform curvature throughout. The back focal length (BFL) of the lens is 396.7mm.
According to the provided data, this item is in stock and available for purchase. For more information, please refer to the vendor's website using the provided weblink.