SLSQ-25.4-50N 25.4 mm Dia. x -50.0 mm FL; Plano-Concave Lens Uncoated

The SLSQ-25.4-50N is a Plano-Concave Spherical Lens, uncoated, with a diameter of 25.4 mm and a focal length of -50.0 mm. This lens is sourced from OptoSigma, a renowned vendor in the optical industry. The lens is made of fused silica, a material known for its excellent optical properties, including high transparency, low autofluorescence, and high resistance to thermal shock.

The lens geometry includes a thickness edge of 5.8 mm and a thickness center of 2 mm, making it suitable for applications that require a thin, lightweight lens. The lens's base shape is circular, and it has an effective focal length (EFL) of -50 mm, indicating that it is a diverging lens. The radius of curvature (R1) is -23 mm, and the back focal length (BFL) is -51.4 mm.

The lens does not come with any coating, which means it is in its raw state. This could be beneficial for applications where the user wants to apply their own coating or where coating is not necessary. However, it's important to note that uncoated lenses can be more susceptible to damage from environmental factors and may have lower light transmission compared to coated lenses.

The lens is designed to work with a wavelength of 546.1 nm, making it suitable for applications that use this wavelength, such as fluorescence microscopy. The lens is in stock and ready to ship, as indicated by its weblink status.