EasyShare DX7590: Kodak's Second Ultra-Zoom Digicamby Stephen Caston on February 11, 2005 12:03 AM EST
- Posted in
- Digital Camera
The Timing Tests* NOTE: For all of our time tests, the camera is reset to its factory default settings and set to record using the highest resolution and quality setting. It is set to record in Auto mode. We also disabled all sounds. A PNY 512MB SD card was used.
Before reading our results, please refer to our Testing Procedures page.
Startup TimeThe startup time is recorded from the moment that the power button is pushed to the moment that the shutter sounds. The camera is set to record in Auto mode.
|Startup time (seconds)|
|Nikon Coolpix 5200||3.34|
|Pentax Optio X||3.37|
|Canon PowerShot S60||3.98|
Although the DX7590 is not horribly slow, it does take longer to start up than other cameras that we have tested. We also found that there was no impact on startup time if the startup sound was enabled or disabled. On the bright side, the camera takes under a second to "wake up" from its standby mode. With such an impressive battery life, we recommend leaving the DX7590 powered on in situations where a "photo op" might arise.
Shutter LagTo record shutter lag, we perform two tests with the lens at its widest angle setting. For the first test, we pre-focus the lens and measure the amount of time that it takes the camera to take a picture after the shutter button is pressed. The second test measures the time that it takes for the camera to take a picture after we press the shutter button without pre-focusing. Each test is performed 3 times and the results are averaged. For more information regarding our testing procedures, please refer to our Testing Procedures page.
|With Pre-focus (seconds)||Without Pre-focus (seconds)|
With the camera pre-focused, the shutter lag time was a very fast 0.07 sec. When we included focusing in the equation, the camera performed well above average, resulting in a time of just 0.54 sec. The lag time is a bit longer toward the telephoto end, but it's certainly not slow. In short, we are very impressed with the shutter lag and focus times of the DX7590.
Write TimesWe recorded 5 different write times with a PNY 512 MB SD card:
Single Shot - The time that it takes for a single picture to be completely written to the flash card (the time that the "activity light" is on).
Shot To Shot (STS) - The time until the second shot can be taken after the first (shutter to shutter).
Shot To Shot w/Flash - The time that it takes the camera to take two pictures with the flash, starting from the moment that the first flash is fired to the moment that the second is fired.
Shot To Shot w/Buffer Full - The time between taking the last shot of a burst to the moment that the shutter sounds again.
Clear Buffer - The time that it takes the camera to clear the buffer after a full burst of pictures is taken.
We performed each test three times and averaged the results. Below are the resolution, quality setting, and average file size used for the tests.
|Resolution (pixels)||Quality setting||Avg. file size (MB)|
|Single Shot||Shot to Shot||Shot to Shot w/Flash||Shot to Shot w/Buffer Full||Clear Buffer|
* NOTE: Since there isn't an activity light on the DX7590, the "Single Shot" and "Clear Buffer" times are calculated from the moment that the blinking activity icon appears on the LCD to the moment that it stops blinking.
Before the buffer fills with 5 shots, the DX7590 shows a very good write performance. The camera takes just 1.89 sec. between shots without the flash and 1.93 seconds with the flash enabled. The reason for the fast cycle time with the flash is due to a smaller average file size (1.75 MB). In "First Burst" mode, the camera can take 5 frames at 2.4 fps before slowing to 8.80 seconds between shots. When the buffer is full, it takes approximately 43.2 seconds to dump all the images to the flash card. It is a shame that the buffer works so slowly because the camera is fairly quick otherwise.