SLSQ-20-80N 20.0 mm Dia. x -80.0 mm FL; Plano-Concave Lens Uncoated

The SLSQ-20-80N is a Plano-Concave Lens, a type of spherical lens, sourced from OptoSigma. This lens is uncoated and features a fused silica material (fused sil mal-1965) which is known for its excellent transparency and resistance to thermal shock. The lens has a base shape of a circle and a sub-type of Spherical Lens.

The lens has a diameter of 20.0 mm and a thickness at the edge of 3.4 mm. The center thickness is 2.0 mm. The effective focal length (EFL) of the lens is -80.0 mm, indicating that it is a diverging lens. The radius of curvature (R1) is -36.8 mm, and the back focal length (BFL) is -81.4 mm. The lens is designed to operate at a wavelength of 546.1 nm.

The lens is designed for use in various optical systems where a diverging lens is required. Its high-quality fused silica material ensures excellent optical performance and durability. The lens is uncoated, which means it does not have any anti-reflective or other coatings. This may result in a higher level of reflection at the lens surfaces, but it also means that the lens is less susceptible to damage from environmental factors.

Please note that the lens is in stock and available for immediate shipping, as indicated by the "weblink status" in the item data. For more information, please refer to the vendor's website using the provided weblink.