Pentax K-3 II vs Sony A9 II

Its time to examine more closely at the Pentax K-3 II vs Sony A9 II, one is a Advanced DSLR and the other is a Pro Mirrorless by brands Pentax and Sony. The image resolution of the K-3 II (24MP) and the A9 II (24MP) is very well matched but the K-3 II (APS-C) and A9 II (Full frame) possess totally different sensor sizing.

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The K-3 II was announced 5 years before the A9 II which is quite a serious gap as far as technology is concerned. Each of the cameras come with different body type with the Pentax K-3 II being a Mid-size SLR camera and the Sony A9 II being a SLR-style mirrorless camera.

Before we go in to a step-by-step comparison, below is a quick introduction of how the K-3 II grades against the A9 II in terms of portability, imaging, features and an overall mark.

The following is a sample of the gallery pics for Pentax K-3 II and Sony Alpha A9 Mark II. The whole galleries are available at Pentax K-3 II Gallery and Sony A9 II Gallery.

For those who are intending to travel with your camera, you'll need to take into account its weight and volume. The Pentax K-3 II enjoys physical dimensions of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") along with a weight of 800 grams (1.76 lbs) while the Sony A9 II has sizing of 129mm x 96mm x 76mm (5.1" x 3.8" x 3.0") along with a weight of 678 grams (1.49 lbs).

Check the Pentax K-3 II vs Sony A9 II in the latest Camera and Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are utilising at that time. Here is the front view dimension comparison of the K-3 II against the A9 II.

Using dimensions and weight, the portability grade of the K-3 II and A9 II is 59 and 62 respectively.

More often than not, its difficult to see the difference between sensor dimensions only by checking technical specs. The picture underneath may provide you a stronger sense of the sensor sizes in the K-3 II and A9 II.

As you can tell, both of the cameras have got the exact same megapixels but not the same sensor dimensions. The K-3 II has the tinier sensor which will make getting shallow DOF trickier. The more aged K-3 II is going to be disadvantaged in sensor tech.