HP R927 Performance
Timing and Performance
Good speed for a consumer camera.
| Startup/Shutdown |
||
| Power on to first shot |
2.3 seconds |
Time it takes for
LCD to turn on and lens to deploy |
| Shutdown |
1.6 seconds |
How long it takes
to retract lens |
| Buffer clearing
time |
14 seconds (7 seconds buffer clearing in LF JPEG) |
Worst case buffer
clearing time. -- This is the delay after a set of shots before you
can remove the card. Some cameras won't retract their lenses and shut
down until the buffer is cleared. |
| Mode
switching |
||
| Play to Record, first shot |
1.9 seconds |
Time until first
shot is captured |
| Record to play |
5.2 seconds |
Time to display
a large/fine file immediately after capture |
| Display recorded image |
1.0 second |
Time to display
a large/fine file already on the memory card. |
| Shutter
response (Lag Time): |
||
| Full Autofocus
Wide |
0.67 second |
Time from fully
pressing shutter button to image capture, zoom lens at wide angle
position. |
| Full Autofocus
Tele |
0.61 second |
Time from fully
pressing shutter button to image capture, zoom lens at telephoto position. |
| Prefocused |
0.185
second |
Time
to capture, after half-pressing and holding shutter button. |
| Manual
focus |
0.32
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) |
||
| Single Shot mode Large Fine JPEG |
1.03 second ; 3 frames total; 7 seconds to clear |
Time per shot, averaged
over buffer length or 20 shots, whichever came first |
| Single Shot mode 640x480 JPEG |
1.06 second ; 3 frames total; 13 seconds to clear |
Time per shot, averaged
over buffer length or 20 shots, whichever came first |
| Early shutter penalty? |
Single Shot: No Continuous: Yes |
Some cameras refuse
to 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 |
0.64 second (1.57
frames per second); 3 frames total; 8 seconds to clear |
Time per shot, averaged
over buffer length or 20 shots, whichever came first |
| Continuous mode 640x480 JPEG |
0.63 second (1.59
frames per second); 3 frames total; 14 seconds to clear |
Time per shot, averaged
over buffer length or 20 shots, whichever came first |
| Flash recycling |
6 seconds |
Flash at maximum
output |
| Download
speed |
||
| Windows Computer,
USB 2.0 |
824 KBytes/sec |
Typical Values: Less than 600=USB 1.1; 600-770=USB 2.0 Low; 771-4000=USB 2.0 High |
The Hewlett Packard Photosmart R927's performance is pretty good here. Start-up time is just a little sluggish, though not too terrible. Shutter lag at both wide angle and telephoto zoom settings is quite good, and "prefocus" times (half-pressing and holding down the shutter button before the final exposure) are fast as well, with a shutter delay of 0.185 second. Shot-to-shot cycle times are speedier than average, at about 1.03 seconds for large/fine JPEGs, though the camera only captures three frames at this rate. Continuous-mode speed is about average, at about 1.57 frames/second, for up to three shots in succession. Flash recycling time is about average, at six seconds. Connected to a computer, download speeds are fairly fast, so you won't feel a need for a separate card reader. Bottom line, the Photosmart R927 is responsive enough for most family photo opportunities, though its maximum burst rate in either standard shooting or continuous modes is a bit low.
Battery and Storage Capacity
Battery
Moderate battery life with the custom rechargeable lithium-ion battery
pack.
| Operating Mode | Number of Shots |
|---|---|
| Rechargeable Li-Ion battery, CIPA spec | 200 |
| Rechargeable Li-Ion battery, Hewlett Packard spec | 110-200 165 average |
The HP Photosmart R927 uses a custom rechargeable Li-Ion battery pack for power, which is included along with a charger with the camera. Runtimes are moderate, so I strongly recommend picking up a spare battery and keeping it freshly charged and on-hand for extended outings. (See our battery shootout page for information on actual measured capacities of various NiMH brands and capacity markings.)
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.
(Interested readers can find an English translation of the CIPA DC-002 standards document here. (180K PDF document))
Storage
The Photosmart R927 accepts SD/MMC cards, though no card is included;
23MB RAM is built into the camera.
| Image Capacity with 23MB Internal Memory |
Fine | Normal | Basic | Economy | |
|---|---|---|---|---|---|
| 3,296 x 2,480 | Images | 4 | 9 | 12 | 26 |
| File Size | 5.0 MB | 2.4 MB | 1.8 MB | 878 KB | |
| 2,592 x 1,936 | Images | 7 | 14 | 19 | 37 |
| File Size | 3.1 MB | 1.6 MB | 1.2 MB | 615 KB | |
| 1,792 x 1,312 | Images | 14 | 27 | 35 | 57 |
| File Size | 1.6 MB | 843 KB | 655 KB | 399 KB | |
| 640 x 480 | Images | 98 | 167 | 204 | 289 |
| File Size | 233 KB | 138 KB | 113 KB | 80 KB | |
We strongly recommend buying at least a 256MB card, preferably a 512MB or 1GB, to give yourself extra space for extended outings.
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Note: For details, test results, and analysis of the many tests done with this camera, please click on the tabs at the beginning of the review or below.
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