Olympus M.Zuiko Digital ED 9-18mm f/4-5.6

M.Zuiko Digital ED 9–18mm
MakerOlympus Corporation
Technical data
TypeWide angle Zoom
Focal length9–18mm
Focal length (35mm equiv.)18-36mm
Aperture (max/min)f/4.0-5.6 - f/22
Close focus distance0.25m
Max. magnification0.1
Diaphragm blades7, circular aperture
Construction12 elements in 8 groups
Physical
Max. length49.5 mm
Diameter56.5 mm
Weight155g
Filter diameterØ52mm

The Olympus Corporation M.Zuiko Digital ED 9–18mm f/4-5.6 is a Micro Four Thirds System lens. In the Micro Four Thirds format, it is a zoom ranging from wide to ultra-wide. Like many other Olympus Micro Four Thirds zooms, the front lens elements extend for use, and retract for storage.

The lens is "focus-by-wire"; the grip ring is not mechanically connected to the optics, but instead controls the autofocus motor. Users can reverse the ring focusing direction in the camera software.[1]

Reviewers found sharpness to be competitive with the alternative Panasonic 7-14mm, despite a noticeably smaller collapsed size, lack of vignetting, and much lower price. However, they also note more chromatic aberration, and lower build quality.[1][2][3][4][5]

References

  1. ^ a b "SLRGear review".
  2. ^ "DSLRPhoto roundup". Archived from the original on 2012-03-26. Retrieved 2011-06-26.
  3. ^ "DPReview review".
  4. ^ "Photographyblog review". 23 March 2011.
  5. ^ "Daisuke Photo blog".
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