SLB-50B-200PIR1 50.0 mm Dia. x 201.0 mm FL; Coated; Double-Convex Lens 633-1064nm

The SLB-50B-200PIR1 is a high-quality spherical lens offered by OptoSigma, designed with a double-convex geometry and a 50.0 mm diameter. This lens boasts a long focal length of 201.0 mm, making it suitable for various applications that require precise focusing and imaging.

The lens is made from the renowned N-BK7 glass by Schott, a material known for its excellent optical properties, including low auto-fluorescence and a high Abbe number. This ensures reliable and accurate performance, making the SLB-50B-200PIR1 a popular choice among professionals in the field of optics.

The lens features a coating of opt IR1 on both the front and back surfaces. This anti-reflection coating is specifically designed for the infrared spectrum, covering wavelengths from 633 to 1064 nm. The coating significantly reduces surface reflections, thereby improving transmission and enhancing the overall efficiency of the optical system.

The geometry of the lens includes an edge thickness of 3 mm and a center thickness of 6 mm. The lens has an effective focal length (EFL) of 201 mm and a back focal length (BFL) of 199 mm. The inner and outer radii are 0 mm each, indicating a symmetrical double-convex design.