Canon 6D vs Pentax K-3

Here, we will be evaluating the Canon 6D and Pentax K-3, both Advanced DSLR cameras by brands Canon and Pentax. The image resolution of the 6D (20MP) and the K-3 (24MP) is relatively close but the 6D (Full frame) and K-3 (APS-C) boast different sensor sizing.

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The 6D was revealed 14 months earlier than the K-3 which makes them a generation away from each other. Both the cameras feature the same body design (Mid-size SLR).

Before diving right into a detailed comparison, here is a simple highlight of how the 6D scores against the K-3 in the way of portability, imaging, features and an overall score.

Below is a preview of the gallery photos for Canon EOS 6D & Pentax K-3. The full galleries are viewable at Canon 6D Gallery & Pentax K-3 Gallery.

For those who are intending to carry around your camera frequently, you will want to factor in its weight and size. The Canon 6D provides outside dimensions of 145mm x 111mm x 71mm (5.7" x 4.4" x 2.8") with a weight of 770 grams (1.70 lbs) whilst the Pentax K-3 has specifications of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") having a weight of 800 grams (1.76 lbs).

Compare the Canon 6D and Pentax K-3 in our brand new Camera plus Lens Size Comparison Tool.

Do not forget, the weight of an ILC will vary dependant on the lens you are working with at that moment. The following is a front view measurement comparison of the 6D and the K-3.

Considering size and weight, the portability score of the 6D and K-3 is 59 and 59 respectively.

In many cases, it is tough to picture the difference in sensor sizes purely by viewing technical specs. The picture underneath will help provide you a greater sense of the sensor dimensions in the 6D and K-3.

As you can tell, both cameras feature different megapixels and different sensor sizes. The 6D with its bigger sensor is going to make achieving shallower DOF simpler and the Pentax K-3 will render greater detail because of its extra 4 Megapixels. Higher resolution will also help you crop photographs way more aggressively. The more aged 6D will be disadvantaged in sensor innovation.