Pentax K-3 vs Sony A7 III

Lets look more closely at the Pentax K-3 and Sony A7 III, former is a Advanced DSLR while the latter is a Pro Mirrorless by brands Pentax and Sony. The resolution of the K-3 (24MP) and the A7 III (24MP) is relatively similar but the K-3 (APS-C) and A7 III (Full frame) have different sensor sizes.

Photobucket discusses licensing 13 billion images with AI firms

The K-3 was revealed 4 years prior to the A7 III which is quite a large difference as far as technology is concerned. The two cameras feature different body design with the Pentax K-3 being a Mid-size SLR camera and the Sony A7 III being a SLR-style mirrorless camera.

Before delving into a full comparison, here is a concise highlight of how the K-3 grades versus the A7 III in terms of portability, imaging, features and an overall score.

The following is a preview of the gallery photos for Pentax K-3 & Sony Alpha A7 III. The full galleries are provided at Pentax K-3 Gallery & Sony A7 III Gallery.

If you're going to carry around your camera often, you have to factor its weight and dimensions. The Pentax K-3 has got outside measurements of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") with a weight of 800 grams (1.76 lbs) whilst the Sony A7 III has dimensions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") with a weight of 650 grams (1.43 lbs).

Check out the Pentax K-3 and Sony A7 III in our completely new Camera plus Lens Size Comparison Tool.

Do not forget, the weight of an ILC will change based on the lens you are working with during that time. The following is a front view measurement comparison of the K-3 vs the A7 III.

Taking into account dimensions and weight, the portability rating of the K-3 and A7 III is 59 and 63 respectively.

Normally, it is difficult to imagine the difference between sensor sizes only by going over technical specs. The pic underneath might offer you a stronger sense of the sensor measurements in the K-3 and A7 III.

As you have seen, the 2 cameras feature the identical megapixel count albeit different sensor sizes. The K-3 has got the tinier sensor which will make achieving shallow depth of field trickier. The more aged K-3 is going to be disadvantaged when it comes to sensor innovation.