Pentax K-3 vs Sony A700

Here is a complete analysis of the Pentax K-3 vs Sony A700, both Advanced DSLR digital cameras by companies Pentax and Sony. There is a significant difference between the sensor resolutions of the K-3 (24MP) and A700 (12MP) but they use the same exact sensor dimensions (APS-C).

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The K-3 was announced 6 years later than the A700 and that is quite a sizable gap as far as tech is concerned. Both cameras offer the identical body type (Mid-size SLR).

Before we go straight into a more detailed comparison, below is a brief introduction of how the K-3 scores versus the A700 with respect to portability, imaging, features and an overall rating.

Here is a sample of the gallery pictures for Pentax K-3 and Sony Alpha DSLR-A700. The whole galleries are viewable at Pentax K-3 Gallery and Sony A700 Gallery.

For those who are going to carry your camera often, you'll have to consider its weight and size. The Pentax K-3 provides outside measurements of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") having a weight of 800 grams (1.76 lbs) while the Sony A700 has specifications of 142mm x 105mm x 80mm (5.6" x 4.1" x 3.1") along with a weight of 768 grams (1.69 lbs).

Check the Pentax K-3 vs Sony A700 in the latest Camera and Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will vary based on the lens you are using during that time. Below is the front view scale comparison of the K-3 and the A700.

Using size and weight, the portability grade of the K-3 and A700 is 59 and 58 respectively.

In many cases, its hard to picture the contrast between sensor sizing merely by reading through a spec sheet. The photograph here may provide you a much better sense of the sensor measurements in the K-3 and A700.

As you can see, both of the cameras enjoy the same exact sensor sizing but different megapixels. You should anticipate the Pentax K-3 to give you extra detail with its extra 12 Megapixels. Greater resolution can also let you crop images far more aggressively. The more recent K-3 should have an advantage when it comes to sensor technology.