Resolution Chart Comparison
Shots here are of our 'version two' resolution chart which provides for measurement of resolution up to 4000 LPH (Lines Per Picture Height). A value of 20 equates to 2000 lines per picture height. For each camera the relevant prime lens was used. The chart is shot at a full range of apertures and the sharpest image selected. Studio light, cameras set to aperture priority (optimum aperture selected), image parameters default. Exposure compensation set to deliver approximately 80% luminance of white area.
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Nikon D3 (3.2 KB; 12 MP) | Canon EOS-1DS Mark III (4.3 MB, 21 MP) |
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Canon EOS 5D (3,552 KB; 12.8 MP) | Nikon D300 (3.3 KB; 12 MP) |
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Canon EOS-1D Mark III (2.2 MB, 10.1 MP) | Olympus E-3 (3.3 MB; 10 MP) |
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Nikon D3 |
Canon EOS-1DS Mark III |
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Canon EOS 5D | Nikon D300 |
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Canon EOS-1D Mark III | Olympus E-3 |
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Nikon D3 | Canon EOS-1DS Mark III |
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Canon EOS 5D | Nikon D300 |
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Canon EOS-1D Mark III | Olympus E-3 |
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Nikon D3 | Canon EOS-1DS Mark III |
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Canon EOS 5D | Nikon D300 |
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Canon EOS-1D Mark III | Olympus E-3 |
Measurable results
Camera | Measurement | Absolute resolution |
Extinction resolution |
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Nikon D3 | Horizontal LPH | 2200 | 2600 |
Vertical LPH | 2200 | 2600 | |
Canon EOS-1Ds Mark III |
Horizontal LPH | 2700 | 3300 |
Vertical LPH | 2700 | 3300 | |
Nikon D300 | Horizontal LPH | 2200 | 2600 |
Vertical LPH | 2100 | 2600 | |
Canon EOS 5D | Horizontal LPH | 2300 | 2500 |
Vertical LPH | 2000 | 2500 | |
Canon EOS-1D Mark III |
Horizontal LPH | * 2100 | 2400 |
Vertical LPH | 2050 | 2350 | |
Olympus E-3 | Horizontal LPH | * 2100 | 2400 |
Vertical LPH | * 1800 | 2200 |
* | Moire is visible |
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+ | Chart maximum |
LPH | Lines per Picture Height (to allow for different aspect ratios the measurement is the same for horizontal and vertical) |
Absolute resolution | Point at which all lines of a resolution bar are still visible and defined, beyond this resolution loss of detail occurs (below Nyquist frequency). |
Extinction resolution | Detail beyond camera's definition (becomes aliased) |
The D3 offers, unsurprisingly, very similar resolution to the other 12 megapixel cameras (and most of the 10 megapixel cameras for that matter) on the market, and the main differences here are down to sensor design (anti-aliasing filter) and JPEG processing. The notable exception is of course the 21.1 MP EOS-1Ds Mark III, which naturally offers considerably more resolution. The D3's rather conservative sharpening means the Canon EOS 5D looks a lot better in comparison than it really is (though it certainly appears that the 5D ekes a touch more usable detail out of its JPEGs).
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