SLB-30-90NIR2 30.0 mm Dia. x -90.0 mm FL; Coated; Plano-Concave Lens 750-1550nm

The SLB-30-90NIR2 is a Plano-Concave Spherical Lens, sourced from the reputable vendor OptoSigma. This lens boasts a diameter of 30.0 mm and a focal length of -90.0 mm, making it suitable for a wide range of optical applications.

The lens is crafted from n-bk7 schott, a high-quality optical glass known for its excellent transmittance and homogeneity. This material is particularly suitable for use in the visible and near-infrared spectrum, with a wavelength of 546.1 nm.

The lens features a robust coating on both the front and back surfaces, specifically an opt ir2 coating. This coating enhances the lens's performance in the 750-1550nm wavelength range, providing improved transmission and reduced reflection.

The geometry of the lens includes a thickness of 4.5 mm at the edge and 2.0 mm at the center. The inner and outer radii are both 0, indicating a flat surface on one side and a concave surface on the other. The back focal length is -91.3 mm.

According to the vendor's website, this item is currently in stock, ensuring quick delivery for your optical project needs. For more detailed information, you can refer to the provided weblink.