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Panasonic Lumix DMC-TZ3 wide-angle geometry comparison
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To measure and compare the Panasonic Lumix TZ3's
geometric distortion we photographed a test chart consisting of a grid pattern,
using it and a number of rival super-zoom models.
Here are the results for each camera with their built-in lenses at their
widest focal length; where possible, the aperture was closed.
The images were analysed with Imatest using 5th Order line calculation and
the full areas presented here at a reduced resolution.
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4.6-46mm at 4.6mm
Distortion: 0.89% barrel |
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| The image above was taken with the Panasonic Lumix TZ3 zoomed-out to 4.6mm.
Barrel distortion was measured at 0.89% which while similar to its predecessor is still very impressive - especially now the TZ3 boasts an wider equivalent focal length of 28mm when zoomed-out. Both the TZ3 and the older TZ1 perform noticeably better than the other two results below. |
Panasonic Lumix TZ1 |
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Panasonic Lumix FZ8 |
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Olympus SP-550UZ |
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5.2-52mm at 5.2mm
Distortion: 0.98% barrel |
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6-72mm at 6mm
Distortion: 2.52% barrel |
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4.7-84.2mm at 4.7mm
Distortion: 3.33% barrel |
Panasonic Lumix DMC-TZ3 telephoto geometry comparison
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|
To measure and compare the Panasonic Lumix TZ3's
geometric distortion we photographed a test chart consisting of a grid pattern,
using it and a number of rival super-zoom models.
Here are the results for each camera with their built-in lenses at their
longest focal length; where possible, the aperture was closed.
The images were analysed with Imatest using 5th Order line calculation and
the full areas presented here at a reduced resolution.
|
4.6-46mm at 46mm
Distortion: 0.40% pincushion |
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The image above was taken with the Panasonic Lumix TZ3 zoomed-into 46mm. Pincushion distortion was measured at 0.4% which is worse than its predecessor, but much better than the Olympus SP-550UZ - although in its defence the 550UZ has a longer 18x optical range. The best result here comes from the FZ8, but in terms of overall distortion, the TZ3 still performs very respectably. |
Panasonic Lumix TZ1 |
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Panasonic Lumix FZ8 |
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Olympus SP-550UZ |
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5.2-52mm at 52mm
Distortion: 0.12% pincushion |
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6-72mm at 72mm
Distortion: 0.02% barrel |
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4.7-84.2mm at 84.2mm
Distortion: 1.45% pincushion |
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