Pentax K-30 vs Sony A7R III

Its time to examine more in depth at the Pentax K-30 vs Sony A7R III, former is a Advanced DSLR while the other is a Pro Mirrorless by companies Pentax and Sony. There is a considerable difference among the sensor resolutions of the K-30 (16MP) and A7R III (42MP) and the K-30 (APS-C) and A7R III (Full frame) feature different sensor sizing.

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The K-30 was revealed 6 years before the A7R III which is a fairly large difference as far as camera tech is concerned. Both the cameras offer different body type with the Pentax K-30 being a Mid-size SLR camera and the Sony A7R III being a SLR-style mirrorless camera.

Before we go through a more detailed comparison, below is a simple summation of how the K-30 grades vs the A7R III when considering portability, imaging, features and an overall mark.

Here is a sample of the gallery pictures for Pentax K-30 & Sony Alpha A7R III. The full galleries are viewable at Pentax K-30 Gallery & Sony A7R III Gallery.

For anyone who is going to travel with your camera often, you will have to factor in its weight and volume. The Pentax K-30 features external dimensions of 130mm x 97mm x 71mm (5.1" x 3.8" x 2.8") with a weight of 650 grams (1.43 lbs) while the Sony A7R III has sizing 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-30 vs Sony A7R III in our completely new Camera plus Lens Size Comparison Tool.

Remember that, the weight of an ILC will differ based on the lens you are working with at that moment. Following is the front view overall size comparison of the K-30 and the A7R III.

Using size and weight, the portability score of the K-30 and A7R III is 63 and 63 respectively.

Often, it's hard to visualize the gap in sensor dimensions only by seeing specifications. The picture here may give you a far better sense of the sensor sizes in the K-30 and A7R III.

Plainly, the two cameras offer different megapixels and different sensor dimensions. The K-30 having a smaller sensor is going to make shooting shallow DOF more challenging and the Sony A7R III will produce extra detail because of its extra 26 Megapixels. Greater resolution will help you crop images a little more aggressively. The more aged K-30 will be disadvantaged in sensor technology.