The Porst Color Reflex Auto 50mm f/1.7 is a lens for cameras. However, it was built in the halls of Cosina. It dates from the 1970s.
The manufacturer states 50 mm as the focal length of the lens. It therefore belongs to the group of normal lenses. The lens has a maximum aperture of f/1.7. f/16 is the smallest available aperture.
The focus adjustment of the lens must be done manually. The minimum focusing distance of 50 cm should not be exceeded. The lens can be used on cameras with M42 thread.
The Porst Color Reflex Auto 50mm f/1.7 is composed of 6 lens elements. A 49 mm filter, e.g. a color filter, can be attached in front of the lens. The weight is 216 grams.
