14BCV400-1-1 25.4 mm Dia. x -400 mm FL; Uncoated; Double-Concave Lens

This is a high-quality double-concave lens from the renowned vendor, Standa. The lens, identified as 14BCV400-1-1, is designed with a base shape of a circle and features a spherical geometry. The lens has a diameter of 25.4 mm and a thickness of 3.5 mm at the edge, while the center thickness is slightly less at 3.2 mm.

The lens is constructed from the material n-bk7 schott, a popular choice in the optical industry due to its excellent optical properties. The effective focal length (EFL) of this lens is 400 mm, making it suitable for a wide range of applications. The lens is uncoated, which means it does not have any additional layers to enhance its optical properties.

The double-concave design of this lens, with radii of curvature -415.5057496 mm for the first surface and 415.5057496 mm for the second, provides unique optical characteristics. The lens's inner and outer radii are both zero, indicating a uniform curvature across the lens's surface.

This lens is valid and in stock, according to the weblink provided. It can be used in various applications, making it a versatile choice for those in need of a high-quality, double-concave lens.