Sony DSC-W100 Performance
Timing
Sony Cyber-shot DSC-W100 Timing
Good to average speed for a consumer camera.
Startup/Shutdown |
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Power on to first shot |
1.7 seconds |
Time it takes for LCD to turn on and lens to deploy |
Shutdown |
1.5 seconds |
How long it takes to retract lens |
Buffer clearing time |
65 seconds (7 seconds buffer clearing in LF JPEG) |
Worst case buffer clearing time |
Mode switching |
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Play to Record, first shot |
1.0 second |
Time until first shot is captured |
Record to play |
1.4 seconds |
Time to display a large/fine file immediately after capture |
Display recorded image |
0.6 second |
Time to display a large/fine file already on the memory card. |
Shutter response (Lag Time): |
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Full Autofocus Wide |
0.31 second |
Time from fully pressing shutter button to image capture, zoom lens at wide angle position. |
Full Autofocus Tele |
0.59 second |
Time from fully pressing shutter button to image capture, zoom lens at telephoto position. |
Prefocused |
0.012 second |
Time to capture, after half-pressing and holding shutter button. |
Continuous AF |
0.43 second |
This mode usually shows no speed increase on our static subject; we have no way to measure performance with moving subjects |
Manual focus |
0.19 second |
For most cameras, shutter lag is less in manual focus than autofocus, but usually not as fast as when the camera is "prefocused" |
Cycle time (shot to shot) |
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Single Shot mode Large Fine JPEG |
1.37 seconds |
Time averaged |
Single Shot mode 640x480 JPEG |
1.30 seconds |
Time averaged |
Early shutter penalty? |
No |
Some cameras won't snap another shot if you release and press the shutter too quickly in Single Shot mode, making "No" the preferred answer |
Continuous mode Large Fine JPEG |
0.98 second @ 1.02 frames per second; 4 frames total; 7 seconds to clear |
Time per shot, averaged |
Continuous mode 640x480 JPEG |
0.82 second @ 1.22 frames per second; 100 frames total; 65 seconds to clear |
Time per shot, averaged |
Flash recycling |
6.52 seconds |
Flash at maximum output |
Download speed |
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Windows Computer, USB 2.0 |
3,961 KBytes/sec |
Less than 600=USB 1.1; 600-770=USB 2.0 Low; 771-4000=USB 2.0 High |
The Sony DSC-W100's performance ranges from quite fast to average, with a good startup time of 1.7 seconds. Shutter response is fast with the lens set to wide angle and telephoto, with an excellent prefocus time of 0.012 second (half-pressing and holding down the shutter button before the final exposure). Shot to shot cycle times are quite good, at about 1.37 seconds for large/fine JPEGs, and it captures frames continuously at this rate. Where things slow down is the DSC-W100's continuous mode, which only shoots at about 1.02 frames per second, for a maximum of four frames. The flash takes about 6.5 seconds to recharge after a full-power shot, about average for this class of camera. However, the camera's Multi-16 mode captures about 30 frames per second, though images are limited to the 320x240 resolution. Download speeds are quite fast. Bottom line, while not a first choice for sports or other fast-paced action, the DSC-W100 is responsive enough to handle most family photo opportunities.
Battery and Storage Capacity
Battery
Moderate battery life with the LCD on, slightly better when LCD is switched off.
| LiIon rechargeable battery, LCD on | 360 |
| LiIon rechargeable battery, LCD off | 410 |
The Sony Cyber-shot DSC-W100 uses a custom rechargeable LiIon battery for power. The table above shows the number of shots the camera is capable of (on either a fresh set of disposable batteries or a fully-charged rechargeable battery as appropriate), based on CIPA battery-life and/or manufacturer standard test conditions. Because battery life is moderate with the LCD on or off, I recommend picking up a spare battery and keeping it freshly charged for extended outings.
Storage
No card is included with the Sony Cyber-shot DSC-W100, although it accepts Memory Stick Duo cards; 64MB RAM is built into the camera.
64MB Internal Memory |
Fine | Normal | |
| 3,264 x 2,448 | Images | 16 | 30 |
| File Size | 4.1 MB | 2.2 MB | |
| 2,592 x 1,944 | Images | 25 | 48 |
| File Size | 2.7 MB | 1.4 MB | |
| 2,048 x 1,536 | Images | 41 | 72 |
| File Size | 1.7 MB | 929 KB | |
| 1,632 x 1,224 | Images | 65 | 123 |
| File Size | 1.0 MB | 551 KB | |
| Images | 394 | 985 | |
| File Size | 172 KB | 69 KB | |
I strongly recommend buying at least a 512MB card, preferably a 1GB one, to give yourself extra space for extended outings.
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