Olympus ZUIKO DIGITAL ED 7-14mm 1:4.0 review

Olympus ZD 7-14mm colour fringing comparison


Olympus ZD 7-14mm results continued…

Outdoor / Resolution / Corner sharpness / Fringe and macro / Geometry / Vignetting

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  To measure colour fringing caused by lens chromatic aberrations and sensor blooming, we photographed a test chart, left, with areas of very high contrast.

We tested each lens at its widest and longest focal lengths with the aperture wide open in Aperture Priority mode. The crops are taken from the upper left corner of the chart and presented here at 100%.

All four lenses exhibited some fringing at wide angle. Zoomed-in to their longest focal lengths, the four lenses were much improved in this respect.

Olympus ZD 7-14mm
Olympus ZD 14-42mm
Olympus ZD 14-45mm
Leica 14-50mm
Olympus E-400 with 14-42mm at 14mm f3.5
Olympus E-400 with 14-42mm at 14mm f3.5
Olympus E-500 with 14-45mm at 14mm f3.5
Panasonic L1 with 14-50mm at 14mm f2.8
7-14mm at 7mm f4
14-42mm at 14mm f3.5
14-45mm at 14mm f3.5
14-50mm at 14mm f2.8
Olympus E-400 with 14-42mm at 42mm f5.6
Olympus E-400 with 14-42mm at 42mm f5.6
Olympus E-500 with 14-45mm at 45mm f5.6
Panasonic L1 with 14-50mm at 50mm f3.5
7-14mm at 14mm f4
14-42mm at 42mm f5.6
14-45mm at 45mm f5.6
14-50mm at 50mm f3.5



Olympus ZD 7-14mm Macro comparison

To measure macro performance we photographed a chart using settings which delivered the maximum possible reproduction. The dark lines are 10mm apart. Each lens was tested at f8 in Aperture Priority mode.

The 7-14mm can focus as close as 10cm, but even when zoomed-in to it’s longest 14mm focal length, there’s still a massive field of view captured. Consequently its Macro reproduction size comes across as quite modest, but it’s important to see how well-corrected it remains at close range, and also how the lens can be used at short distances.

Olympus ZUIKO DIGITAL ED 7-14mm 1:4.0
Olympus ZUIKO DIGITAL ED 14-42mm 1:3.5-5.6
Olympus ZUIKO DIGITAL 14-45mm 1:3.5-5.6
7-14mm at 14mm f8
Max area of 162x122mm
  14-42mm at 42mm f8
Max area of 68x50mm
  14-45mm at 45mm f8
Max area of 112x84mm
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