Pentax K-3 III vs Sony A700

Here is a thorough analysis of the Pentax K-3 III vs Sony A700, both Advanced DSLR cameras by competitors Pentax and Sony. There is a large difference among the resolutions of the K-3 III (26MP) and A700 (12MP) but both cameras boast the same sensor dimensions (APS-C).

Photography Glossary

The K-3 III was unveiled 13 years later than the A700 and that is a fairly serious difference as far as camera tech is concerned. Each of these cameras have the same body design (Mid-size SLR).

Before going right into a comprehensive comparison, here is a quick summary of how the K-3 III scores vs the A700 with regard to portability, imaging, features and an overall rating.

Following is a sample of the gallery pics for Pentax K-3 Mark III & Sony Alpha DSLR-A700. The full galleries are viewable at Pentax K-3 III Gallery & Sony A700 Gallery.

When you are aiming to carry your camera regularly, you will want to factor its weight and measurements. The Pentax K-3 III enjoys outer dimensions of 135mm x 104mm x 74mm (5.3" x 4.1" x 2.9") accompanied by a weight of 820 grams (1.81 lbs) whilst the Sony A700 has proportions of 142mm x 105mm x 80mm (5.6" x 4.1" x 3.1") with a weight of 768 grams (1.69 lbs).

Take a look at the Pentax K-3 III vs Sony A700 in our completely new Camera & Lens Size Comparison Tool.

Take into account, the weight of an ILC will change dependant on the lens you use at the time. The following is a front view size comparison of the K-3 III vs the A700.

Considering size and weight, the portability rating of the K-3 III and A700 is 58 and 58 respectively.

Oftentimes, it is very hard to see the gap in sensor sizing merely by looking through a spec sheet. The graphic here will provide you a far better sense of the sensor sizes in the K-3 III and A700.

Clearly, both the cameras have the same sensor dimensions but not the same megapixels. You can expect to see the Pentax K-3 III to render greater detail having an extra 14 Megapixels. Greater resolution will allow you to crop pics a bit more aggressively. The more modern K-3 III is going to have a benefit with regard to sensor technology.