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Canon PowerShot A590 IS

>> Monday, April 27, 2009

As with previous PowerShot A-cameras, Canon built Canon PowerShot A590 IS around a large, bright, flexible lens. The 35 to 140mm equivalent, f/2.6 to f/5.5 lens offers a slightly longer reach and wider aperture than the 3x, f/2.8 lenses found in most compact cameras. It incorporates Canon's Optical Image Stabilization system, which shifts lens elements to help reduce image shake.

The camera can also accept conversion lenses with an optional adapter that fits over the base of the original lens. Unfortunately, the adapter retails for about $25, and conversion lenses retail for $100 or more, so outfitting your A590 IS with wide and or telephoto conversion lenses can cost almost as much as the camera itself. Skilled photographers will appreciate the camera's myriad controls and options.

Like other PowerShot A-series cameras, it offers program, aperture priority, shutter priority, and full manual exposure control modes. Of course, if you don't want to use any of those features, you can still shoot in the automatic mode, or with the camera's several scene presets. Finally, the camera adds a new "Easy" mode, which further simplifies and automates the interface. Slow shot to shot speed hindered Canon PowerShot A590 IS's otherwise very quick performance.

After a 1.8 second wait from power on to first shot, the camera could capture a new picture once every 2.3 seconds with the flash disabled. With the flash turned on, that wait more than doubled to an anguishing 5.2 seconds. Burst mode further disappointed, capturing 9 full resolution shots in 11.2 seconds for a rate of 0.8 frames per second. On the other hand, its shutter performed admirably, lagging a scant 0.45 seconds with our high contrast target and an even more impressive 0.7 seconds with our low contrast target.

Whether you shoot in low light or outside on a sunny day, you can expect the camera to grab the shot quickly, and then leave you waiting a few seconds before you can shoot again. Last year, the Sony Cyber shot DSC-T100 wowed us with its remarkably crisp picture quality. Though the A590 IS retails for far less than that camera, it manages to produce photos that are nearly on a par with those from the T100.

While the A590 IS's automatic white balance does a great job for a camera in its price range, it's not quite as good as the automatic white balance in the T100. The A590 IS does a good job of neutralizing colors shot under incandescent light, but leaves a hint of warmth. It also leaves more of a green cast than we'd like to see on a camera like this when shooting under fluorescent lighting.

Its tungsten setting did a wonderful job of neutralizing our very yellow tungsten hot lights. While noise remains extremely low from ISO 80 to 200, we did see some noise even at the camera's lowest sensitivity setting. Still, at these lower ISOs pictures look very good for a camera of this price, and fine textures such as fabric and fur appear consistently crisp. Noise becomes prominent at ISO 400, though details still come through clearly.

Like most compact cameras, Canon PowerShot A590 IS produces significant grain at ISO 800 and its maximum of ISO 1,600, covering the picture and damaging details with a fuzzy sheen. Overall, Canon PowerShot A590 IS produces very nice images and can even yield usable small prints at ISO 800, which is impressive for a camera of its class.

3 comments:

Ngorek blog's April 28, 2009 at 10:00 AM  

wah kok mau photo aq makin keren tu gambarnya
tapi makasih infonya
by:pejuang republik Indonesia

genialbutuhsomay April 29, 2009 at 6:20 AM  

this is what a blog supposed to be !!! three thumbsup kang :)

etha April 29, 2009 at 6:40 AM  

etha datang dengan harapan besar bahwa doa etha ttg kelulusan dikabulkan, amien :)palathia

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