Pentax K-S2 vs Sony A7 III

Its time to examine more closely at the Pentax K-S2 versus Sony A7 III, one is a Entry-Level DSLR and the other is a Pro Mirrorless by companies Pentax and Sony. The resolution of the K-S2 (20MP) and the A7 III (24MP) is very well matched but the K-S2 (APS-C) and A7 III (Full frame) enjoy different sensor sizing.

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The K-S2 was introduced 4 years before the A7 III which is quite a large gap as far as tech is concerned. Both the cameras offer different body type with the Pentax K-S2 being a Compact SLR camera and the Sony A7 III being a SLR-style mirrorless camera.

Before delving straight into a in depth comparison, below is a simple summary of how the K-S2 grades versus the A7 III for portability, imaging, features and an overall score.

The following is a sample of the gallery pics for Pentax K-S2 and Sony Alpha A7 III. The whole galleries are provided at Pentax K-S2 Gallery and Sony A7 III Gallery.

If you're aiming to carry around your camera frequently, you're going to have to think about its weight and measurements. The Pentax K-S2 offers physical measurements of 123mm x 91mm x 73mm (4.8" x 3.6" x 2.9") and a weight of 678 grams (1.49 lbs) and the Sony A7 III has proportions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") accompanied by a weight of 650 grams (1.43 lbs).

Check the Pentax K-S2 versus Sony A7 III in the latest Camera with Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will differ depending on the lens you are utilising at that moment. Following is the front view measurement comparison of the K-S2 against the A7 III.

Using size and weight, the portability grade of the K-S2 and A7 III is 64 and 63 respectively.

Often, it is difficult to visualize the difference between sensor sizes just by checking technical specs. The image here should offer you a much better sense of the sensor sizing in the K-S2 and A7 III.

As you have seen, both of the cameras offer different resolutions and different sensor sizes. The K-S2 having a tinier sensor is going to make getting shallower DOF harder and the Sony A7 III will give greater detail using its extra 4 Megapixels. Greater resolution can also make it easier to crop images a little more aggressively. The more aged K-S2 is going to be disadvantaged with regard to sensor innovation.