Olympus FE-25 vs Sony A7R III

Its time to look closer at the Olympus FE-25 vs Sony A7R III, former being a Ultracompact while the latter is a Pro Mirrorless by companies Olympus and Sony. There is a sizable difference among the sensor resolutions of the FE-25 (10MP) and A7R III (42MP) and the FE-25 (1/2.3") and A7R III (Full frame) use totally different sensor measurements.

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The FE-25 was unveiled 9 years prior to the A7R III and that is a fairly significant difference as far as camera tech is concerned. Each of these cameras offer different body type with the Olympus FE-25 being a Ultracompact camera and the Sony A7R III being a SLR-style mirrorless camera.

Before we go in to a more detailed comparison, below is a simple overview of how the FE-25 grades vs the A7R III in terms of portability, imaging, features and an overall grade.

Following is a preview of the gallery photos for Olympus FE-25 & Sony Alpha A7R III. The full galleries are viewable at Olympus FE-25 Gallery & Sony A7R III Gallery.

If you're aiming to lug around your camera regularly, you're going to have to consider its weight and dimensions. The Olympus FE-25 offers external dimensions of 93mm x 62mm x 24mm (3.7" x 2.4" x 0.9") accompanied by a weight of n/a grams (0.00 lbs) and the Sony A7R III has dimensions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") accompanied by a weight of 657 grams (1.45 lbs).

See the Olympus FE-25 vs Sony A7R III in our completely new Camera & Lens Size Comparison Tool.

Always remember, the weight of an ILC will vary based on the lens you use during that time. Below is the front view physical size comparison of the FE-25 against the A7R III.

Taking into consideration size and weight, the portability rating of the FE-25 and A7R III is 98 and 63 respectively.

Generally, its difficult to visualise the gap in sensor measurements just by seeing specs. The photograph here will provide you a much better sense of the sensor dimensions in the FE-25 and A7R III.

All in all, both of those cameras offer different megapixel count and different sensor measurements. The FE-25 having a smaller sensor will make getting shallower DOF more difficult and the Sony A7R III will show greater detail having an extra 32MP. Higher resolution will let you crop photographs a little more aggressively. The older FE-25 will be disadvantaged with regard to sensor tech.