Navitar OptiStar Lenses are designed specifically to meet the latest advancements in SWIR technology. Their new rugged design offers superior image quality, better transmission and performance from the visible spectrum into the shortwave infrared region. OptiStar lenses function in the wavelengths of 500nm - 1700nm, with 90% +/- 5% transmission across the range. The lenses are available with manual or auto iris.