Quick Overview Uses Nikon F-mount 50mm manual focus 'normal'/'standard' lens for Nikon cameras Sharp high quality optic An ideal student lens 46° angle of view (diagonal) f/1.8 maximum aperture is bright, great for available light photography f/1.8 maximum aperture produces shallow depth of field Stops down to F/22 for additional depth-of-field light at only 135 grams Uses popular 52mm size filters. Product Description The Nikon Nikkor 50mm f/1.8 Series E AIS is a manual focus normal lens for Nikon SLR (Single Lens Reflex) 35mm film cameras. It's useable on basically all Nikon 35mm film SLRs bodies and many digital Nikon SLR bodies*. Series E lenses use the very same optical glass and feature the same rugged Nikon bayonet mount as regular Nikkor lenses; the only difference is that they have been pared down in size, weight and price as a starter lens.