SLB-30-250NIR1 30.0 mm Dia. x -250.0 mm FL; Coated; Plano-Concave Lens 633-1064nm

The SLB-30-250NIR1 is a Plano-Concave Spherical Lens, 30.0 mm in diameter, with a focal length of -250.0 mm, sourced from OptoSigma. This lens is designed for use within the wavelength range of 633-1064nm, making it suitable for a variety of applications in the near-infrared spectrum.

The lens is fabricated from n-bk7 Schott, a popular material in optical systems due to its excellent optical properties and versatility. The lens has a thickness of 2.9 mm at the edge and 2 mm at the center, providing a robust structure while maintaining a slim profile.

The lens features a coating of opt ir1 on both the front and back surfaces. This coating enhances the lens's performance within its specified wavelength range, improving transmission and reducing unwanted reflections.

The geometry of the lens is defined by an inner radius of 0 mm and an outer radius of 0 mm, with a radius of curvature (R1) of -129.75 mm. The back focal length (BFL) is -251.3 mm, and the effective focal length (EFL) is -250 mm.

According to the vendor's website, this item is currently in stock, ensuring quick delivery for your optical system needs.