Alpha 700 Focussing With Accuracy
By: Erik Vlietinck
January 29, 2008
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The Sony Alpha 700 has three different auto focus area options: Spot Focus, Local Focus Area and Wide. The Alpha 700 has 11 focus points to choose from when in Local mode. It also has a F2.8 focus sensor that kicks in when a F2.8 lens (think Zeiss lenses, for example) is mounted --the F2.8 focus sensor is larger than the other focus sensor, and makes for an even sharper focus than is possible with the 11-point sensor.
With its F2.8 sensor, and its 11 focus points the Alpha 700 does better than its competitors and only comes second to the absolute top like the Canon EOS 1D, which has 19 focus points. The question is of course what you should use for best results. As each of these settings has its own benefits, the answer to that question is not straightforward.
Tutorial: Setting White Balance on a dSLR
By: Erik Vlietinck
January 05, 2008
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On any decent dSLR camera you can set a custom white balance to neutralise the colours under different lighting circumstances. Every dSLR brand comes with its own methodology and approach to neutralising the camera, but they all share in common that the colour temperature can be compensated for by taking a snapshot of a grey object as its foundation. Some high-end cameras such as the Nikon D2X and the Sony Alpha 700 approach neutralisation with a finer, more granular attitude. They also allow you to set up a digital colour compensation filter.
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