Pentax Q7 vs Sony A7 III

Its time to look more closely at the Pentax Q7 and Sony A7 III, former being a Entry-Level Mirrorless while the latter is a Pro Mirrorless by manufacturers Pentax and Sony. There is a large difference between the sensor resolutions of the Q7 (12MP) and A7 III (24MP) and the Q7 (1/1.7") and A7 III (Full frame) offer totally different sensor sizes.

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The Q7 was introduced 5 years earlier than the A7 III and that is quite a serious difference as far as tech is concerned. Each of the cameras have different body design with the Pentax Q7 being a Rangefinder-style mirrorless camera and the Sony A7 III being a SLR-style mirrorless camera.

Before delving into a more detailed comparison, here is a simple highlight of how the Q7 grades vs the A7 III in the way of portability, imaging, features and an overall rating.

Following is a preview of the gallery photos for Pentax Q7 & Sony Alpha A7 III. The whole galleries are available at Pentax Q7 Gallery & Sony A7 III Gallery.

For anyone who is going to carry your camera frequently, you're going to have to factor in its weight and volume. The Pentax Q7 comes with external dimensions of 102mm x 58mm x 34mm (4.0" x 2.3" x 1.3") and a weight of 200 grams (0.44 lbs) while the Sony A7 III has sizing of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") with a weight of 650 grams (1.43 lbs).

See the Pentax Q7 and Sony A7 III in our completely new Camera & Lens Size Comparison Tool.

Don't forget, the weight of an ILC will vary depending on the lens you have attached at the time. Here is a front view measurements comparison of the Q7 against the A7 III.

Taking into account size and weight, the portability rating of the Q7 and A7 III is 92 and 63 respectively.

Oftentimes, it is very tough to envision the gap between sensor sizing just by looking at specs. The visual underneath may give you a far better sense of the sensor sizes in the Q7 and A7 III.

All in all, the two cameras have different megapixel count and different sensor sizing. The Q7 using its tinier sensor will make getting bokeh tougher and the Sony A7 III will give more detail using its extra 12MP. Higher resolution will let you crop photographs a bit more aggressively. The older Q7 is going to be disadvantaged when it comes to sensor tech.