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Panasonic Lumix DMC FZ50 wide-angle geometry comparison
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To measure and compare the Panasonic Lumix FZ50's
geometric distortion we photographed a test chart consisting of a grid pattern,
using it and a number of rival 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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7.4-88.8mm at 7.4mm f8
Distortion: 2.56% barrel |
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| The image above was taken with the Panasonic Lumix FZ50 zoomed-out to 7.4mm.
Barrel distortion was measured at 2.56% which is roughly equivalent to the Fujifilm S9500 / S9000 and below that of the Canon DSLR kit lens. It's also interesting to note the Lumix TZ1's low distortion result despite its 10x optical range. |
Canon 400D / XTi 18-55mm |
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Fujfifilm FinePix S9500 / S9000 Zoom |
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Panasonic Lumix DMC-TZ1 |
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18-55mm EF-S at 18mm f8
Distortion: 3.35% barrel |
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6.2-66.7mm at 6.2mm f8
Distortion: 2.38% barrel |
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5.2-52mm at 5mm
Distortion: 0.98% barrel |
Panasonic Lumix DMC FZ50 telephoto geometry comparison
 |
|
To measure and compare the Panasonic Lumix FZ50's
geometric distortion we photographed a test chart consisting of a grid pattern,
using it and a number of rival 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.
|
7.4-88.8mm at 88.8mm f8
Distortion: 0.34% barrel |
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| The image above was taken with the Panasonic Lumix FZ50 zoomed-in to 88.8mm.
Interestingly while most lenses suffer from pincushion distortion when zoomed-in, the FZ50 (and the FZ30 before it) exhibits slight barrelling. The extent of this is roughly equivalent to the pincushion distortion of the Canon DSLR's kit lens, although more pronounced than that of the Fujifilm S9500 / S9000. |
Canon 400D / XTi 18-55mm |
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Fujfifilm FinePix S9500 / S9000 Zoom |
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Panasonic Lumix DMC-TZ1 |
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18-55mm EF-S at 55mm f8
Distortion: 0.389% pincushion |
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6.2-66.7mm at 66.7mm f8
Distortion: 0.237% pincushion |
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5.2-52mm at 52mm
Distortion: 0.12% pincushion |
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