Q: I'm in the market for a DSLR camera, and I can't decide whether to go for one with a full-size sensor. They're about $2,000 more than models with the smaller APS-C/DX sensors. What makes a larger sensor better, and why the big price difference?
Now that today's digital SLRs can shoot video, the difference between these devices and their compact counterparts is smaller than ever. Those pushing Micro Four Thirds (ยต4/3) as an alternative to both have an understanding of the digital camera market's consistently changing nature. Needless to say, change is definitely on its way,
It's no secret that larger sensors on digital cameras yield better results. This is for two reasons: first, a larger sensor can not only capture more light, but it also allows you more room to adjust the depth of field, enabling you to focus on what you want. A great example of this would be a portrait shot where the background remains blurry, but displays a sharp view of the subject's face, for instance.
French company DxO labs recently made public their test findings on some of the most popular low to mid range DSLR cameras. The results were quite surprising and Sony must be pleased with what they found. Keep in mind that DxO uses their own special measurement system, and that they were only comparing statistics on the sensors. Their results show that the sensor in the Sony A700 is better then the Canon 40D and 50D, and almost ties with the Pentax K10D and Nikon D300.
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