The SLB-15-60NIR2 is a Plano-Concave Spherical Lens, 15.0 mm in diameter and featuring a focal length of -60.0 mm. This lens is sourced from OptoSigma, a renowned vendor in the optical industry. The lens is made of n-bk7 schott, a high-quality material known for its excellent optical properties.
The lens's geometry is meticulously designed, with a thickness edge of 2.9 mm and a thickness center of 2 mm. The lens's effective focal length (EFL) is -60.0 mm, and its front radius (R1) is -31.14 mm. The back focal length (BFL) is -61.3 mm, and both the inner and outer radii are 0 mm.
The SLB-15-60NIR2 is coated with Opt IR2 on both the front and back, a coating specifically designed for the wavelength of 546.1 nm. This coating enhances the lens's performance in the 750-1550nm spectral range, making it ideal for various applications in this range.