SLB-40-80N 40.0 mm Dia. x -80.0 mm FL; Plano-Concave Lens Uncoated

The SLB-40-80N is a Plano-Concave Lens, part of the Spherical Lens category, sourced from OptoSigma. This lens is uncoated and features a base shape of Circular. The lens has a diameter of 40.0 mm and a thickness at the edge of 7.1 mm, with a center thickness of 2.0 mm. The Effective Focal Length (EFL) is -80.0 mm, and the Radius of Curvature (R1) is -41.52 mm. The Back Focal Length (BFL) is -81.3 mm, and both the Inner and Outer Radius are 0 mm.

This lens is made of n-BK7 Schott material, a popular choice for its high refractive index and low dispersion. 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 versatility. The lens does not come with any coating, which means it is in its most basic form, ready to be customized according to the user's needs.

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