Author Topic: Sony's DRO versus sharpness  (Read 1090 times)

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Offline didispeed

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Sony's DRO versus sharpness
« on: September 03, 2012, 09:15:45 AM »

On my trip to NY, I made about 2500 pics both with my alpha 700 and the 580. The alpha 700 was set to
DRO +3 and the alpha 580 DRO+5, I noticed that a lot of pictures from the a580 are not as sharp as they
should be, also contrast is not that great. A lot of pictures have gone in the bin.
My father took pictures with his Nikon D7000 (yes I know) without any Dynamic range setting and we
can see a lot contrast and very sharp images. On the alpha a580 we used the CZ16-80.
Could the DRO play a part in the sharpness of the image?

Sony α900 | Sony α580 | Sony α700
Sony 16-80 CZ f3.5-4.5 | Sony 16-105 f3.5-4.5 | Sony 70-300G f4.5-5.6 | Sony 50mm f1.4 | Sony 85 f2.8 SAM | Minolta 24mm f2.8 RS | Sigma 10-20mm  f4-5.6 EX DC | Sigma 70mm f2.8 Macro EX DG | Sigma 24-60 f2.8 | Sigma 70-200mm f2.8 EX DG OS HSM| Sony HVL-F56AM

Offline Stef.

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Re: Sony's DRO versus sharpness
« Reply #1 on: September 04, 2012, 12:48:17 AM »
The higher you set the dynamic range the more noise you will introduce and this might cause the lack of sharpness. The higher the DRO setting the lower the contrast as the software within the camera tries to expand the histogram. In an ideal world you should actually turn DRO to "off". Should you shoot raw than this will not make a difference anyhow but beware that if you have not set the DRO to off, eventhough you are shooting raw, the image on the back of your camera will be a jpeg image that reflects the dro settings you made. In a nutshell: your image looks as if DRO is higher eventhough the raw image is not.
Makes sense?
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