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Olympus ZD 7-14mm resolution, tested with Olympus E-410
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To measure and compare the Olympus ZD 7-14mm's resolving power we photographed the Enhanced Digital Camera
Resolution Chart with it and a number of lens / camera combinations, each using their
best quality JPEG and default image tone and sharpening settings. Each lens was tested at every aperture and the sharpest result selected. We tested the ZD 7-14mm with an Olympus E-410.
The crops are taken from the original images, saved as High Quality JPEGs
in Photoshop CS2 and presented here at 100%. Each number represents 100
lines per picture height (lpph), so a figure of 20 means a resolution of
2000 lpph. |
| Fitted on an Olympus E-410 and zoomed-into its maximum focal length of 14mm, the Olympus 7-14mm delivers 2150 lpph of horizontal and vertical resolution. The puts it on par with the latest 14-42mm ED kit lens, fitted to the same body, which suggests we're at or close to the limit of the E-410's resolving power. There's some evidence of coloured fringing on the 7-14mm samples below, but it's still a good result for this speciality lens, which under a variety of settings and conditions, continues to deliver very sharp results. |
Olympus ZD 7-14mm with E-410 |
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Olympus ZD 14-42mm with E-410
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2150 lpph, 7-14mm at 14mm, f8, 100 ISO |
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2150 lpph, 14-42mm at 25mm, f8, 100 ISO |
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Olympus ZD 14-42mm with E-400
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Leica 14-50mm with E-400
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2050 lpph, 14-42mm at 25mm, f8, 100 ISO |
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2100 lpph, 14-50mm at 25mm, f8, 100 ISO |
Olympus ZD 7-14mm with E-410 |
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Olympus ZD 14-42mm with E-410
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2150 lpph, 7-14mm at 14mm, f8, 100 ISO |
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2150 lpph, 14-42mm at 25mm, f8, 100 ISO |
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Olympus ZD 14-42mm with E-400
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Leica 14-50mm with E-400
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2050 lpph, 14-42mm at 25mm, f8, 100 ISO |
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2100 lpph, 14-50mm at 25mm, f8, 100 ISO |
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