Pentax K-30 vs Sony A7 III

In this article, we will be looking at the Pentax K-30 vs Sony A7 III, former being a Advanced DSLR while the latter is a Pro Mirrorless by competitors Pentax and Sony. There exists a sizable gap among the image resolutions of the K-30 (16MP) and A7 III (24MP) and the K-30 (APS-C) and A7 III (Full frame) feature different sensor sizes.

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The K-30 was introduced 6 years earlier than the A7 III and that is a fairly significant difference as far as camera technology is concerned. Each of these cameras offer different body type with the Pentax K-30 being a Mid-size SLR camera and the Sony A7 III being a SLR-style mirrorless camera.

Before going through a in-depth comparison, below is a short summation of how the K-30 matches up against the A7 III for portability, imaging, features and an overall rating.

Below is a preview of the gallery photos for Pentax K-30 & Sony Alpha A7 III. The whole galleries are provided at Pentax K-30 Gallery & Sony A7 III Gallery.

If you are going to carry your camera frequently, you are going to need to think about its weight and size. The Pentax K-30 has got external dimensions of 130mm x 97mm x 71mm (5.1" x 3.8" x 2.8") accompanied by a weight of 650 grams (1.43 lbs) and the Sony A7 III has specifications of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") along with a weight of 650 grams (1.43 lbs).

Look at the Pentax K-30 vs Sony A7 III in our completely new Camera & Lens Size Comparison Tool.

Remember that, the weight of an ILC will vary dependant on the lens you have chosen at the time. Here is the front view scale comparison of the K-30 compared to the A7 III.

Taking into account dimensions and weight, the portability score of the K-30 and A7 III is 63 and 63 respectively.

Quite often, it's difficult to picture the difference in sensor sizing purely by looking through technical specs. The photograph underneath will provide you a much better sense of the sensor dimensions in the K-30 and A7 III.

As you have seen, the two cameras enjoy different megapixels and different sensor sizing. The K-30 using its smaller sensor is going to make achieving shallower depth of field tougher and the Sony A7 III will provide you with greater detail using its extra 8 Megapixels. Higher resolution will help you crop shots far more aggressively. The older K-30 will be behind in sensor innovation.