Sony Alpha A580 review
Image Quality
Sony A580 Review - Image quality
Unlike the A55's translucent shutter, the Sony Alpha A580 has a standard shutter that lifts out of the way when shooting. As there's no material 'in the way' of the sensor, there should be more available light that reaches it which, theoretically, could mean image quality is even better. In reality the differences between the two models are quite minor, especially when ISO sensitivity is taken into account.
Sony A580 - ISO & Image Noise

The A580 seemed reluctant to jump over the ISO 800 mark in Auto ISO mode, and the results when pushed beyond that comfort zone displayed why; the amount of image noise on display is fairly visible. Fortunately it's less heavy handed than purely turning the tones on display into cartoon-like representations, leaving enough of the grain to make it visible without too much magnification.
Sony A580 - Tone and Exposure
Exposure proved to be impressively even when tested across number of different environments, although there was a slight tendency to favour the darker areas and lose an amount of detail in the highlights, although only marginal, the result were generally balanced.

Tone was again extremely even, although at times a touch too reserved to allow the more eye-catching images to dominate. As a result the flesh tones, although varied and well-represented, were a touch too pale.
Sony A580 - Raw vs JPEG
At close inspection the difference between the Raw and JPEG images is minimal, with the benefits of minimal processing being the major incentive for opting for the larger file type. The tonal range is more subtle and colour cast less aggressive when using Raw, but otherwise you won't lose a huge amount by opting for more file space.




Have your say!
Latest comments
May 02 10:24
bigdaveg40
In light of the score for this camera and the 89% that the Nikon D5100 received, it would seem that everyone except wdc themselves are aware of the blatant biase towards anything Nikon or Canon, dxo mark is widely regarding and highly acclaimed within the photographic industry, more importantly they are totally unbiased, i found this interesting web site; http://www.dxomark.com/index.php/Our-publications/DxOMark-reviews/DxOMark-review-for-APS-C-camera-2010-who-takes-the-lead Which basically pits the A580 with the likes of the D7000 & Canon 60D etc, both of which are considerably (hundreds), more expensive that the A580, which WDC puts lower than the D5100. The A55 did get a great wdc score (isn't the A580 the more traditional version ?), the A55 is also mentioned and according to dxo stills are better from the A580, like live view & face detection video capability IMHO are "novelty" features, how many pro's use these features for example ?, they are handy to have, but then so is a spare tyre. What matters most is for a CAMERA to deliver the goods; still's IQ. The Canon 60d also got 91% from WDC but that camera gets a right kicking by DXO, ask Canon fans themselves which is better the 60d or the much older 40d, or even the same of the 600d & 550d and the responses would be telling. Other people's comments etc would also seem to be making the same request; conduct all reviews fairly and with no biase, and if not prove to us the reader why the D5100 gets 2% more than the likes of a Sony A580, pentax or oly.
May 23 11:44
Alex
Anyone?
November 25 07:36
Nana Miss
Aloha mate! I quite agree with your opinion.
January 29 22:24
Naveed
No Sir, this camera with its brilliant Live View technology and Sensor based IS (great for primes) is superior to APSC from Canikons and Sony own A55 (T mirror is deseased) for still photographers.