Rikenon 55mm f/1.4 Auto

Rikenon 55mm f/1.4 Auto is a manual focus prime lens for full frame cameras.

Optical design

Wide open, subjects located outside the depth of field are shown very blurred. Has 6 aperture blades, this number of blades are commonly used. Having rounded blades provides out of focus circle shape closer to a circle.

Physical characteristics

Weights 315 grams so plan ahead, carry only if really necessary. 52 mm long, this small lens should be always in the camera bag. With a lens filter diameter of 55 mm commonly filter size, provides a range of filter options.