SLB-40-400P 40.0 mm Dia. x 400.0 mm FL; Plano-Convex Lens Uncoated

The SLB-40-400P is a Plano-Convex lens, part of the Spherical Lens (Plano-Convex) category, sourced from OptoSigma. This lens, with a base shape of Circular, is designed for use in a wide range of optical applications.

The lens has a diameter of 40.0 mm and a thickness at the edge of 2.0 mm, while the thickness at the center is 3.0 mm. The Effective Focal Length (EFL) of this lens is 400.0 mm, making it suitable for applications requiring long focal lengths. The Radius of Curvature (R1) is 207.6 mm, and the Back Focal Length (BFL) is 398.0 mm. The Inner and Outer Radius are both 0.0 mm, indicating a planar surface on one side of the lens.

The lens is made of n-bk7 schott, a popular material in the optical industry due to its excellent optical properties. The lens is designed to operate at a wavelength of 546.1 nm. The shape of the lens is spherical, a common choice for its ease of manufacturing and good optical performance.

The lens does not come with any coating, as indicated in the item data. Coatings are often applied to lenses to enhance their optical performance or protect them from environmental factors. However, this lens is uncoated, which may be suitable for certain applications where specific coatings are not required.