542-7210 25.4 mm Dia. x -100 mm FL; Uncoated; Plano-Concave Lens

The 542-7210 is a Plano-Concave Spherical Lens, sourced from EKSMA Optics, a renowned vendor in the optical components industry. This lens boasts a diameter of 25.4 mm and a center thickness of 2.5 mm, making it a compact yet robust option for various applications.

The lens's focal length is -100 mm, indicating its concave nature. The inner radius is 0 mm, and the outer radius is also 0 mm, suggesting a uniform curvature throughout. The lens is made of Barium Fluoride (BaF2), a material with a high transmission range, extending from the ultraviolet (UV) to the infrared (IR) region, specifically designed for wavelengths of 3000 nm.

Notably, this lens is uncoated, offering users the advantage of customizing their coatings based on their specific requirements. However, it's essential to consider that uncoated lenses may be more susceptible to environmental factors such as dust, moisture, and scratches, which could affect their performance.

For more information about this lens, including pricing and availability, please refer to the provided weblink, which is valid and indicates the product is in stock.