HP PhotoSmart 315HP's "entry-level+" model offers 2.1 megapixels and ease of use at a bargain price.<<Exposure & Flash :(Previous) | (Next): Operation & User Interface>> Page 7:Shutter Lag & Cycle Time TestsReview First Posted: 03/14/2001 |
Shutter Lag/Cycle Times
When you press the shutter release on a camera, there's usually a lag time before the shutter actually fires. This time is to allow the autofocus and autoexposure mechanisms time to do their work, and can amount to a fairly long delay in some situations. Since this number is almost never reported on, and can significantly affect the picture taking experience, we now routinely measure it using Imaging Resource proprietary testing.
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| Power On -> First shot |
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Not too bad, but slightly slow for a camera with no telescoping lens.
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| Shutdown |
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No lens to retract, so no delay before you can return it to your pocket.
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| Play to Record, first shot |
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Time until first shot is captured, from playback mode. About average.
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| Record to play (max/min res) |
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Average to a bit slower than average. Time in parenthesis is for full-res image on the LCD (low-res proxy appears first). Low- and high-res files display at the same speed.
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| Shutter lag, full autofocus |
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A bit slower than average |
| Shutter lag, prefocus |
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A bit faster than average.
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| Cycle Time, max/min resolution |
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A bit slower than average, not too bad for an entry-level unit. |
Overall, the PhotoSmart 315 was a middle-of-the-road performer in the speed department. Shutter lag was a little long at 1.05 seconds with full autofocus, but a bit quicker than average (0.23 seconds) when the camera was prefocused by pressing the shutter halfway before making the final exposure. Cycle times were a bit slower than average at 5.8 seconds for full-resolution images, but this is far from the slowest we've measured, and really isn't too bad for an entry-level unit.
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