SLSQ-30B-50N 30.0 mm Dia. x -49.7 mm FL; Double-Concave Lens Uncoated

The SLSQ-30B-50N is a high-quality double-concave lens offered by OptoSigma, a leading vendor in the optical industry. This lens, designed for use in various optical systems, features a spherical geometry with a diameter of 30.0 mm and a base shape of a circle.

The lens has a center thickness of 2.0 mm and an edge thickness of 7.0 mm, providing a robust structure while maintaining a sleek profile. The effective focal length (EFL) of this lens is -49.7 mm, making it suitable for applications requiring strong negative magnification or dispersion control.

The SLSQ-30B-50N is made of fused silica (mal-1965), a material known for its excellent optical properties, including high transparency, low auto-fluorescence, and resistance to thermal shock. This makes the lens an ideal choice for applications in the ultraviolet, visible, and near-infrared regions of the spectrum.

The lens is uncoated, providing users with the flexibility to apply custom coatings based on their specific application requirements. However, it is essential to note that uncoated lenses may have lower transmission and higher susceptibility to environmental factors such as dust and moisture.