Pentax K-3 II vs Sony A57

Let's take a closer look at the Pentax K-3 II vs Sony A57, one is a Advanced DSLR and the other is a Entry-Level DSLR by manufacturers Pentax and Sony. There exists a crucial gap among the image resolutions of the K-3 II (24MP) and A57 (16MP) but they possess the exact same sensor measurements (APS-C).

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The K-3 II was manufactured 2 years after the A57 which is a fairly serious gap as far as camera technology is concerned. Each of these cameras come with different body type with the Pentax K-3 II being a Mid-size SLR camera and the Sony A57 being a Compact SLR camera.

Before we go through a more detailed comparison, below is a quick synopsis of how the K-3 II grades vs the A57 with respect to portability, imaging, features and an overall mark.

This is a sample of the gallery pics for Pentax K-3 II and Sony SLT-A57. The entire galleries are viewable at Pentax K-3 II Gallery and Sony A57 Gallery.

If you are planning to travel with your camera often, you're going to have to factor in its weight and proportions. The Pentax K-3 II features exterior measurements of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") with a weight of 800 grams (1.76 lbs) while the Sony A57 has measurements of 132mm x 98mm x 81mm (5.2" x 3.9" x 3.2") and a weight of 618 grams (1.36 lbs).

See the Pentax K-3 II vs Sony A57 in the new Camera with Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will differ depending on the lens you are utilising at that time. Here is the front view over all size comparison of the K-3 II vs the A57.

Factoring in dimensions and weight, the portability score of the K-3 II and A57 is 59 and 64 respectively.

Normally, it's difficult to visualize the difference in sensor dimensions merely by checking out technical specs. The image underneath should provide you a clearer sense of the sensor sizing in the K-3 II and A57.

As you can tell, the two cameras posses the exact same sensor measurements but different resolution. You should expect to see the Pentax K-3 II to show more detail due to its extra 8MP. Greater resolution will help you crop photos somewhat more aggressively. The fresher K-3 II provides an edge with regard to sensor technology.