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Vivitar  24 mm  1:2.8  Auto Wide-Angle

m42_vivitar_24_2.8

There is no Mamiya CS lens available at this focal length which closes the gap between the standard 28 mm wide-angle lens and the super wide-angle lenses of 21 mm or 20 mm focal length.  The focal length of 24 mm gives still a somewhat natural perspective and is easier to use than a 20 mm lens.

This Vivitar lens is optically very good (when stopped down to f/5.6) and distortions are quite well controlled and very acceptable.

This lens has an A/M switch for the aperture function which makes stop down metering more convenient compared to pressing down the spring-loaded depth-of-field preview button on the NC 1000 S camera.

Construction:

8 elements in 7 groups

Angle of View:

84°

Minimum Focusing Distance:

0.24 m (0.78 ft.)

Minimum Aperture:

f/16

Filter Size:

58 mm

Lens Hood:

screw-in (not included)

Weight:

250 g

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vivitar24_lens_design

The lens design (8 elements in 7 groups)