SLB-25B-50NIR1 25.0 mm Dia. x -49.7 mm FL; Coated; Double-Concave Lens 633-1064nm

The SLB-25B-50NIR1 is a high-quality double-concave lens, 25.0 mm in diameter, and featuring a focal length of -49.7 mm. This lens is sourced from OptoSigma, a renowned vendor known for their precision optical components.

The lens is made from n-bk7 schott, a popular material in the optical industry due to its excellent optical properties. The base shape of the lens is circular, and it has a center thickness of 2 mm and an edge thickness of 5.1 mm. The inner and outer radii are 0, indicating a uniform curvature.

The lens is coated with opt ir1 on both the front and back surfaces, providing enhanced performance in the 633-1064nm wavelength range. This coating is specifically designed to improve the lens's interaction with light in this spectrum, making it ideal for a variety of applications, including but not limited to, laser systems, imaging, and optical metrology.

The lens's geometry, including its diameter, thickness, and focal length, make it suitable for use in compact optical systems where space is at a premium. The double-concave design allows for precise control over the light path, making it a versatile component in many optical setups.