Cosinon 50mm f/1.7 MC Auto

Cosinon 50mm f/1.7 MC Auto is a camera glass that has a fixed focal length of 50mm and a maximum aperture of f/1.7. It is a manual focus lens that requires the photographer to adjust the focus ring to get the desired sharpness. The lens has multiple glass elements that are coated to reduce flare and improve image quality. The lens has a good build quality and is durable. It is capable of producing good bokeh, which is the quality of the out-of-focus areas in a photograph. The lens has a maximum aperture of f/1.7, which means it can capture more light and produce a shallow depth of field. This makes it a good option for low light photography and for creating portraits with a blurred background. The lens was manufactured during the 1970s and 1980s. It is a good alternative to other 50mm lenses available in the market. The lens has good resolution, which means it can capture fine details in a photograph.

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

With a lens filter diameter of 49 mm commonly filter size, presents numerous filter possibilities. 45 mm long, this small lens should be always in the camera bag.