Pentax E85 vs Sony A7 III

Below is a detailed overview of the Pentax E85 versus Sony A7 III, one being a Small Sensor Compact and the other is a Pro Mirrorless by rivals Pentax and Sony. There exists a big gap among the resolutions of the E85 (12MP) and A7 III (24MP) and the E85 (1/2.3") and A7 III (Full frame) feature different sensor size.

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The E85 was released 9 years before the A7 III and that is a fairly big gap as far as camera technology is concerned. Both of these cameras offer different body type with the Pentax E85 being a Compact camera and the Sony A7 III being a SLR-style mirrorless camera.

Before delving in to a thorough comparison, below is a quick overview of how the E85 matches up versus the A7 III with regard to portability, imaging, features and an overall grade.

This is a sample of the gallery pics for Pentax Optio E85 and Sony Alpha A7 III. The complete galleries are available at Pentax E85 Gallery and Sony A7 III Gallery.

For anybody who is looking to lug around your camera, you'll have to factor in its weight and volume. The Pentax E85 enjoys external dimensions of 93mm x 58mm x 24mm (3.7" x 2.3" x 0.9") having a weight of 145 grams (0.32 lbs) whilst the Sony A7 III has sizing of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") along with a weight of 650 grams (1.43 lbs).

Check out the Pentax E85 versus Sony A7 III in the latest Camera and Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will change based on the lens you are working with at the time. Here is the front view scale comparison of the E85 vs the A7 III.

Using dimensions and weight, the portability rating of the E85 and A7 III is 95 and 63 respectively.

Normally, its tough to imagine the difference in sensor measurements simply by seeing specs. The graphic below might give you a better sense of the sensor dimensions in the E85 and A7 III.

As you can plainly see, each of these cameras offer different resolutions and different sensor measurements. The E85 due to its smaller sensor is going to make shooting shallow DOF more challenging and the Sony A7 III will produce more detail as a result of its extra 12MP. Greater resolution will also enable you to crop images a little more aggressively. The older E85 will be disadvantaged with regard to sensor tech.