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Panasonic Lumix DMC-GH1

Digital Camera Review
July 16, 2009 By Steve Morgenstern 0 Comments (add your own)

Previous: Page 10

Noise Reduction

Next: Page 12

Low Light
Page 11

Dynamic Range

Dynamic Range (7.76)

The GH1 scored well in our dynamic range testing, though we did find one oddball result that recurred even after running the test again, adding a grain of salt to the results. As shown in the chart below, the dynamic range starts at a modest but acceptable 6.35 stops at ISO 100, lowers slightly through ISO 200 and 400, then somehow expands again dramatically at ISO 800 before resuming its predicted downward path. We believe this is a result of significant noise reduction image processing that kicks in at the ISO 800 level. Ordinarily, we test dynamic range with the camera’s noise reduction system turned off, but that was not possible with the GH1. More on how we test dynamic range.

Dynamic Range Across ISO Levels
ISO 200
6.36
ISO 400
5.72
ISO 800
6.98
ISO 1600
3.72
ISO 3200
2.28
0
2
4
6
10
Dynamic Range (f-stops)

Once again, the cameras with larger sensors posted superior results, though the GH1 dynamic range is still respectable at this level, especially compared to the dismal showing for the Olympus E-30. Taken as a whole, the GH1 scores well here, meaning it should successfully hold onto details in high-contrast scenes.

Dynamic Range Score Comparison
Panasonic Lumix DMC-GH1
7.76
Canon EOS Rebel T1i
5.65
Nikon D5000
7.93
Olympus E-30
2.89
0
2
4
6
10
Dynamic Range Score
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Panasonic Lumix DMC-GH1
Digital Camera Review
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Previous: Page 10

Noise Reduction

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Low Light