SLB-25.4B-25NIR2 25.4 mm Dia. x -24.7 mm FL; Coated; Double-Concave Lens 750-1550nm

The SLB-25.4B-25NIR2 is a high-quality double-concave lens, designed with a base shape of a circle, and sourced from the reputable vendor, OptoSigma. This lens is specifically designed for use within the wavelength range of 750-1550nm, making it suitable for a variety of applications within the near-infrared spectrum.

The lens boasts a diameter of 25.4mm and a focal length of -24.7mm, providing a robust and versatile optical solution. The edge thickness measures 8.6mm, while the center thickness is a slim 2mm, contributing to its compact design. The inner and outer radii are both 0mm, indicating a uniform curvature throughout the lens.

The lens is crafted from the renowned material, n-bk7 schott, which is known for its excellent optical properties and durability. The double-concave geometry, with radii of -25.95mm on both surfaces, ensures optimal light refraction and focusing.

The lens is further enhanced with a coating of opt ir2 on both the front and back surfaces. This coating is specifically designed to improve the lens' performance within the near-infrared spectrum, reducing surface reflections and increasing transmission.