SLB-25B-60P 25.0 mm Dia. x 60.8 mm FL; Double-Convex Lens Uncoated

The SLB-25B-60P is a high-quality double-convex lens, sourced from the reputable optical component manufacturer, OptoSigma. This lens, with a base shape of a circle, is designed for use in a wide range of optical applications, thanks to its precise geometry and material composition.

The lens has a diameter of 25.0 mm and a center thickness of 4.5 mm, with the edge thickness being 2.0 mm. The effective focal length (EFL) of this lens is 60.8 mm, making it suitable for applications that require a longer focal length. The first radius of curvature (R1) is 62.28 mm, while the second radius (R2) is -62.28 mm, indicating its double-convex nature. The back focal length (BFL) of this lens is 59.2 mm.

The lens is made of n-BK7 Schott, a popular optical glass due to its excellent optical properties and high Abbe number. This makes the lens suitable for use in a wide range of wavelengths, with the provided data indicating a wavelength of 546.1 nm. The lens is uncoated, offering users the flexibility to apply their preferred coating based on their specific application requirements.