The Nikon AF-S 300mm F/4 E PF ED is a stabilized telephoto prime lens in Nikon F mount with a viewing angle of 8°10' (5°20' with DX format). It has a maximum aperture of f/4 and minimum focus distance of 140 cm. The built-in stabilization allows you to apply a shutter time up to 4.5 stops longer. The lens automatically switches to manual focus mode by turning the focus ring. The Nikon AF-S 300 mm F/4 weighs 755 grams and uses 77mm filter thread. The lens dimensions are 89 x 147.5mm.