The Nikon Nikkor AI lens is specially designed for capturing portrait photographs. The f/3.5 aperture of this Nikon camera lens helps you capture clear photos even in low-light conditions. With a construction of four elements in four groups, this 135 mm f/3.5 lens effectively corrects aberrations. What’s more, the 7-blade diaphragm of this 135 mm f/3.5 lens gives you great out-of-focus shots. This Nikon camera lens features multilayer coating to enhance light transmission efficiency for bright photographs. Moreover, the Nikon Nikkor AI lens accepts 52 mm filters to reduce glare, improve saturation, and protect the lens from UV rays.