Pentax K-50 vs Sony A7R III

Its time to look more closely at the Pentax K-50 versus Sony A7R III, former being a Entry-Level DSLR while the latter is a Pro Mirrorless by companies Pentax and Sony. There is a noticeable difference between the sensor resolutions of the K-50 (16MP) and A7R III (42MP) and the K-50 (APS-C) and A7R III (Full frame) feature different sensor sizing.

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The K-50 was unveiled 4 years before the A7R III and that is quite a sizable difference as far as tech is concerned. Both the cameras offer different body type with the Pentax K-50 being a Compact SLR camera and the Sony A7R III being a SLR-style mirrorless camera.

Before getting in to a in depth comparison, below is a brief view of how the K-50 scores versus the A7R III in the way of portability, imaging, features and an overall grade.

This is a preview of the gallery photos for Pentax K-50 & Sony Alpha A7R III. The full galleries are provided at Pentax K-50 Gallery & Sony A7R III Gallery.

For anyone who is planning to lug around your camera frequently, you will have to factor in its weight and size. The Pentax K-50 comes with outer measurements of 130mm x 97mm x 71mm (5.1" x 3.8" x 2.8") having a weight of 650 grams (1.43 lbs) whilst the Sony A7R III has specifications of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") accompanied by a weight of 657 grams (1.45 lbs).

Check out the Pentax K-50 versus Sony A7R III in our completely new Camera plus Lens Size Comparison Tool.

Don't forget, the weight of an ILC will vary dependant on the lens you are employing at that moment. Underneath is the front view measurement comparison of the K-50 versus the A7R III.

Using size and weight, the portability grade of the K-50 and A7R III is 63 and 63 respectively.

Generally, its difficult to imagine the gap between sensor measurements simply by looking at specs. The graphic underneath should give you a better sense of the sensor sizing in the K-50 and A7R III.

All in all, the 2 cameras enjoy different megapixels and different sensor measurements. The K-50 having a tinier sensor is going to make achieving shallower depth of field tougher and the Sony A7R III will resolve more detail having an extra 26 Megapixels. Higher resolution will also allow you to crop pictures far more aggressively. The older K-50 is going to be behind with regard to sensor innovation.