Olympus M.Zuiko Digital ED 12mm f/2
The Olympus M.Zuiko Digital ED 12mm f/2 is a Micro Four Thirds System Prime lens by Olympus Corporation. In the Micro Four Thirds format, it is a wide- or ultra-wide lens.
| Maker | Olympus Corporation |
|---|---|
| Technical data | |
| Type | Prime |
| Focal length | 12mm |
| Focal length (35mm equiv.) | 24mm |
| Aperture (max/min) | f/2.0 - 22 |
| Close focus distance | 0.2m (7.9 in) |
| Max. magnification | 0.08 |
| Diaphragm blades | 7, round |
| Construction | 11 elements in 8 groups |
| Features | |
| Lens-based stabilization |  No |
| Macro capable | No |
| Physical | |
| Max. length | 43 mm (1.7 in) |
| Diameter | 56 mm (2.2 in) |
| Weight | 130g (4.6 oz) |
| Filter diameter | Ø46mm |
| Angle of view | |
| Diagonal | 84 deg. |
| History | |
| Introduction | 2011 |
The lens is focus-by-wire, using the autofocus motor even for manual focus. The motor is quiet, suitable for video use ("MSC"- movie and stills compatible). Unlike other focus-by-wire systems, the lens offers two manual focus modes. In the traditional focus-by-wire mode, the focus mechanism operates the same way as other Micro Four Thirds lenses. The focus ring can be moved to engage a "snap focus" mode, which displays a distance scale for zone focusing, and provides a feel similar to mechanical focus systems. The "snap focus" mode makes this the first auto-focus capable Micro Four Thirds lens with a distance scale. The front element does not rotate, allowing the consistent use of polarized filters; a 46mm filter thread lets users share filters with many of Panasonic's lenses.
Early reviews are positive, with good sharpness and build quality.[1][2][3]
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