Olympus E-PL7 vs Sony A7 III

The following is a thorough analysis of the Olympus E-PL7 and Sony A7 III, one is a Entry-Level Mirrorless and the other is a Pro Mirrorless by manufacturers Olympus and Sony. There exists a significant gap among the sensor resolutions of the E-PL7 (16MP) and A7 III (24MP) and the E-PL7 (Four Thirds) and A7 III (Full frame) have totally different sensor sizing.

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The E-PL7 was introduced 4 years before the A7 III which is a fairly sizable gap as far as camera technology is concerned. Both of these cameras have different body design with the Olympus E-PL7 being a Rangefinder-style mirrorless camera and the Sony A7 III being a SLR-style mirrorless camera.

Before getting right into a detailed comparison, here is a concise highlight of how the E-PL7 matches up against the A7 III with regards to portability, imaging, features and an overall mark.

The following is a sample of the gallery pictures for Olympus PEN E-PL7 and Sony Alpha A7 III. The whole galleries are provided at Olympus E-PL7 Gallery and Sony A7 III Gallery.

When you are aiming to travel with your camera regularly, you'll have to consider its weight and measurements. The Olympus E-PL7 has got exterior measurements of 115mm x 67mm x 38mm (4.5" x 2.6" x 1.5") accompanied by a weight of 357 grams (0.79 lbs) whilst the Sony A7 III has proportions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") and a weight of 650 grams (1.43 lbs).

Examine the Olympus E-PL7 and Sony A7 III in the all new Camera with Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will differ depending on the lens you are working with at that time. Underneath is a front view dimensions comparison of the E-PL7 and the A7 III.

Using dimensions and weight, the portability score of the E-PL7 and A7 III is 86 and 63 respectively.

Typically, it is very difficult to see the difference in sensor dimensions just by looking through specifications. The image below should provide you a much better sense of the sensor sizing in the E-PL7 and A7 III.

Plainly, both cameras have different megapixels and different sensor dimensions. The E-PL7 with its smaller sensor will make achieving shallow DOF more difficult and the Sony A7 III will result in more detail using its extra 8MP. Greater resolution will also allow you to crop photos a bit more aggressively. The more aged E-PL7 will be behind in sensor innovation.