The Mamiya Sekor C 70mm f/2.8 is a lens for medium format cameras. It was assembled in Japan.
70 mm is the specified focal length of the prime lens. Therefore, it is part of the group of portrait lenses. The maximum aperture of this lens is f/2.8. f/22 is the smallest available aperture.
This lens does not have autofocus, focus is adjusted manually. The minimum focusing distance is specified as 80 centimeters.
The lens can be attached to cameras with a Mamiya 645 mount.
A filter with 58 mm thread, e.g., an ND filter, can be attached in front of the lens. The manufacturer specifies the weight as 395 grams.
The special feature of this lens is the built-in shutter. It supports speeds from 1/500 second to 1/30 second. A flash can be used at all exposure times. It can be connected directly via a socket on the lens.
