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Olympus ZD 7-14mm colour fringing comparison
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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 |
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Olympus ZD 14-42mm |
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Olympus ZD 14-45mm |
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Leica 14-50mm |
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7-14mm at 7mm f4 |
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14-42mm at 14mm f3.5 |
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14-45mm at 14mm f3.5 |
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14-50mm at 14mm f2.8 |
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7-14mm at 14mm f4 |
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14-42mm at 42mm f5.6 |
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14-45mm at 45mm f5.6 |
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14-50mm at 50mm f3.5 |
Olympus ZD 7-14mm Macro comparison
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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 |
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Olympus ZUIKO DIGITAL ED 14-42mm 1:3.5-5.6 |
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Olympus ZUIKO DIGITAL 14-45mm 1:3.5-5.6 |
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7-14mm at 14mm f8
Max area of 162x122mm |
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14-42mm at 42mm f8
Max area of 68x50mm |
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14-45mm at 45mm f8
Max area of 112x84mm |
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