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"Picky Details" for the Kodak EasyShare V550 digital camera
(Timing, Power, and Storage Info)

 

Timing

When you press the shutter release on a camera, there's usually a lag time or delay before the shutter actually fires. This corresponds to the time required for 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 rarely reported on (and even more rarely reported accurately), and can significantly affect the picture taking experience, I routinely measure both shutter delay and shot to shot cycle times for all cameras I test, using a test system I designed and built for the purpose. (Crystal-controlled, with a resolution of 0.001 second.) Here are the numbers I collected for the Kodak EasyShare V550:

Kodak EasyShare V550 Timings
Operation
Time
(secs)
Notes
Power On -> First shot
2.2
LCD turns on and lens extends forward.
Shutdown
2 - 30
First time is time to retract lens, second time is worst-case buffer-clearing time.
Play to Record, first shot
1.3
Time until first shot is captured.
Record to play
5.6 / 0.2
First time is that required to display a large/fine file immediately after capture, second time is that needed to display a large/fine file that has already been processed and stored on the memory card.
Shutter lag, full autofocus
0.31 / 0.95
First time is at full wide-angle, second is full telephoto.

Shutter lag, continuous autofocus

0.63
Twice as slow as normal wide-angle.
Shutter lag, prefocus
0.086
Time to capture, after half-pressing shutter button.
Cycle Time, max/min resolution

1.94 / 1.60

First number is for large/fine files, second number is time for "TV" mode (640x480) images. Times are averages. In both modes, shoots five frames this fast, then slows to about 6.7 seconds per shot. Buffer clears in 7 seconds.
Cycle Time, Flash exposures ~5 Flash at maximum power output. Camera allows a shot to be taken before the flash has recharged, with the expected underexposed results.
Cycle Time, continuous mode, max/min resolution 0.31 / 0.32
(3.19 / 3.15 fps)
First number is for large/fine files, second number is time for "TV" size images. Times are averages. Shoots three frames this fast in large/fine mode, 5 frames in TV mode. Buffer clears in about 28 seconds in either mode, and it's ready for another burst.

 

Power

The Kodak EasyShare V550 uses a custom rechargeable 3.7V, 720 mAH LiIon battery for power.

Operating Mode
Power
(@5 volts on the external power terminal)
Est. Minutes
(3.7V LiIon cell)
Capture Mode, w/LCD
552 mA
58
Capture Mode, no LCD
83 mA
384
Half-pressed shutter w/LCD
594 mA
54
Half-pressed w/o LCD
365 mA
88
Memory Write (transient)
385 mA
n/a
Flash Recharge (transient)
927 mA
n/a
Image Playback
302 mA
106

 

Storage Capacity

The Kodak EasyShare V550 stores its photos on SD / MMC memory cards or in approximately 28.5 MB of internal memory, and no card is included with the camera. (I strongly recommend buying at least a 64 MB card, preferably a 128 MB one, to give yourself extra space for extended outings.) The chart below shows how many images can be stored in the internal memory at each size/quality setting.

Image Capacity vs
Resolution/Quality
28.5 MB Memory Card
2567 x 1932
Images
(Avg size)
17
1.6 MB
Approx.
Compression
9:1
2304 x 1728
Images
(Avg size)
21
1.3 MB
Approx.
Compression
9:1
2048 x 1536
Images
(Avg size)
26
1.1 MB
Approx.
Compression
9:1
1552 x 1164 Images
(Avg size)
43
659 KB
Approx.
Compression
8:1

 

Download Speed

The Kodak EasyShare V550 connects to a host computer via a USB interface. Downloading files to my Sony desktop running Windows XP (Pentium IV, 2.4 GHz), I clocked it at 539 KBytes/second. (Cameras with slow USB interfaces run as low as 300 KB/s, cameras with fast v1.1 interfaces run as high as 600 KB/s. Cameras with USB v2.0 interfaces run as fast as several megabytes/second.)

V550 Review
V550 Test Images
V550 Specifications
V550 "Picky Details"
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