Olympus E-400 vs Sony A7 III

Its time to look closer at the Olympus E-400 versus Sony A7 III, one is a Entry-Level DSLR and the latter is a Pro Mirrorless by companies Olympus and Sony. There is a huge difference between the resolutions of the E-400 (10MP) and A7 III (24MP) and the E-400 (Four Thirds) and A7 III (Full frame) posses different sensor size.

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The E-400 was launched 12 years before the A7 III which is quite a significant gap as far as tech is concerned. Both the cameras have different body design with the Olympus E-400 being a Compact SLR camera and the Sony A7 III being a SLR-style mirrorless camera.

Before going right into a in-depth comparison, here is a concise view of how the E-400 matches up against the A7 III when it comes to portability, imaging, features and an overall score.

Here is a preview of the gallery photos for Olympus E-400 and Sony Alpha A7 III. The complete galleries are available at Olympus E-400 Gallery and Sony A7 III Gallery.

For anyone who is aiming to carry around your camera, you will need to factor in its weight and dimensions. The Olympus E-400 provides exterior dimensions of 130mm x 91mm x 53mm (5.1" x 3.6" x 2.1") and a weight of 435 grams (0.96 lbs) whilst the Sony A7 III has dimensions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") with a weight of 650 grams (1.43 lbs).

Check out the Olympus E-400 versus Sony A7 III in the latest Camera with Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will differ dependant on the lens you have chosen at the time. Following is a front view overall size comparison of the E-400 versus the A7 III.

Considering size and weight, the portability grade of the E-400 and A7 III is 77 and 63 respectively.

Oftentimes, it is hard to imagine the contrast between sensor sizes merely by reviewing technical specs. The image underneath may provide you a much better sense of the sensor dimensions in the E-400 and A7 III.

As you have seen, the 2 cameras have different megapixels and different sensor sizes. The E-400 because of its tinier sensor is going to make achieving shallower DOF more challenging and the Sony A7 III will offer you more detail utilizing its extra 14 Megapixels. Higher resolution will also make it easier to crop pictures a bit more aggressively. The more aged E-400 is going to be behind in sensor technology.