SLB-30-200N 30.0 mm Dia. x -200.0 mm FL; Plano-Concave Lens Uncoated

The SLB-30-200N 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 30.0 mm and a thickness at the edge of 3.1 mm, while the thickness at the center is 2.0 mm. The Effective Focal Length (EFL) is -200.0 mm, and the Radius of Curvature (R1) is -103.8 mm. The Back Focal Length (BFL) is -201.3 mm, and the lens has no Inner or Outer Radius.

The lens is made of n-BK7 Schott material, a popular choice for its high refractive index and low dispersion. It is designed to operate at a wavelength of 546.1 nm. The lens's shape is Spherical, a common choice for its ease of manufacturing and versatility in optical systems. The coating is not specified, indicating that the lens is uncoated. This can be beneficial in certain applications where a specific coating is not required.

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