Resolution Chart Comparison
Comparison cameras:
- Sony Cyber-shot DSC-P150 (7 MP, 3x zoom)
- Canon PowerShot G6 (7 MP, 4x zoom)
- Canon PowerShot S70 (7 MP, 3.5x zoom)
- Fujifilm FinePix F810 (6 MP, 4x zoom)*
*the FinePix F810 has a 6.1 MP effective SuperCCD chip that outputs 12MP images - these measurements were taken in 12MP mode.
Shots here are of the PIMA/ISO 12233 standard resolution
test chart (more of which are available in our comparison
database). This resolution chart allows us to measure the actual performance
of the lens and sensor system. It measures the ability of the camera to
resolve lines at gradually higher resolutions and enables us to provide
a definitive value for comparison purposes. Values on the chart are 1/100th
lines per picture height. Thus a value of 15 equates to 1500 lines per picture
height.
Studio light, cameras set to auto, settings all factory
default. If possible aperture was selected for optimum sharpness. Exposure compensation
+0.7 EV to +1.3 EV.
Resolution Chart crops
|
|
| Sony DSC-P150 |
Fuji FinePix F810 (figures are 16 and 18) |
|
|
| Canon PowerShot S70 |
Canon PowerShot G6 |
 |
 |
 |
| Sony DSC-P150 |
Fuji FinePix F810 |
 |
 |
| Canon PowerShot S70 |
Canon PowerShot G6 |
Measurable findings
| Camera |
Measurement |
Absolute
resolution |
Extinction
resolution |
| Sony DSC-P150 |
Horizontal LPH |
1500 |
1700 |
| Vertical LPH |
1500 |
1750 |
| 5° Diagonal LPH |
+ 1000 |
n/a |
| Canon PowerShot G6 |
Horizontal LPH |
1600 |
* 1800 |
| Vertical LPH |
1650 |
+* 1900 |
| 5° Diagonal LPH |
+ 1000 |
n/a |
| Canon PowerShot S70 |
Horiz LPH |
1550 |
* 1800 |
| Vert LPH |
1650 |
+* 1900 |
| 5° Diagonal LPH |
+ 1000 |
n/a |
| Fujifilm FinePix F810 |
Horizontal LPH |
1550 |
+ 2000 |
| Vertical LPH |
1650 |
+* 1900 |
| 5° Diagonal LPH |
+ 1000 |
n/a |
| * |
Moiré is visible |
| + |
Chart maximum |
| LPH |
Lines per Picture Height (to allow for different aspect ratios the measurement is the same for horizontal and vertical) |
| 5° Diagonal |
Lines set at 5° diagonal |
| Absolute res. |
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 res. |
Detail beyond camera's definition (becomes aliased) |
| n/a |
Not Available (above the capability of the test chart) |
| n/v |
Not Visible (not visible on test results) |
The P150 certainly stacks up well against the considerably more expensive Canon PowerShots, though the quality of Canon's optics shows in the higher resolution. Most impressive here is actually the Fujifilm F810, which has managed to push the limits of our test chart, though there is evidence of rather heavy sharpening. The P150's results look a little soft, but they are very clean and artefact-free, meaning they respond well to a gentle Unsharp Masking. For an ultra-compact model the P150's results are very impressive, especially given the keen pricing.
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