The SLB-08B-20PIR1 is a high-quality spherical lens, boasting a double-convex design, with a diameter of 8.0 mm and a focal length of 20.4 mm. This lens is sourced from the reputable vendor, OptoSigma, and is crafted from the esteemed n-bk7 schott material, ensuring excellent optical performance.
The lens features a base shape of a circle, with a thickness at the edge of 1.5 mm and a center thickness of 2.3 mm. The effective focal length (EFL) is 20.4 mm, while the back focal length (BFL) is 19.6 mm. The first radius of curvature (R1) is 20.76 mm, and the second radius of curvature (R2) is -20.76 mm. The inner and outer radii are both 0 mm.
The SLB-08B-20PIR1 is coated with opt ir1 on both the front and back surfaces, providing enhanced performance within the wavelength range of 633-1064 nm. This lens is currently in stock and available for immediate purchase, as indicated by its valid web link status.