Olympus E-PL9 vs Sony A7 III

Following is a detailed analysis of the Olympus E-PL9 and Sony A7 III, former is a Entry-Level Mirrorless while the other is a Pro Mirrorless by manufacturers Olympus and Sony. There exists a large gap among the sensor resolutions of the E-PL9 (16MP) and A7 III (24MP) and the E-PL9 (Four Thirds) and A7 III (Full frame) use different sensor measurements.

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The E-PL9 was manufactured at a similar time to the A7 III and they are of a similar age. Both cameras come with different body type with the Olympus E-PL9 being a Rangefinder-style mirrorless camera and the Sony A7 III being a SLR-style mirrorless camera.

Before diving straight into a in-depth comparison, below is a concise view of how the E-PL9 scores vs the A7 III when considering portability, imaging, features and an overall score.

Following is a sample of the gallery pics for Olympus PEN E-PL9 & Sony Alpha A7 III. The entire galleries are available at Olympus E-PL9 Gallery & Sony A7 III Gallery.

For anybody who is aiming to carry around your camera often, you have to take into account its weight and size. The Olympus E-PL9 enjoys exterior measurements of 117mm x 68mm x 39mm (4.6" x 2.7" x 1.5") along with a weight of 380 grams (0.84 lbs) and the Sony A7 III has specifications of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") accompanied by a weight of 650 grams (1.43 lbs).

Look at the Olympus E-PL9 and Sony A7 III in our brand new Camera plus Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will change based on the lens you use at the time. Following is the front view overall size comparison of the E-PL9 against the A7 III.

Considering dimensions and weight, the portability rating of the E-PL9 and A7 III is 85 and 63 respectively.

More often than not, its difficult to visualize the difference in sensor sizes only by looking through specifications. The picture here should provide you a more clear sense of the sensor measurements in the E-PL9 and A7 III.

Plainly, the two cameras posses different megapixel count and different sensor sizes. The E-PL9 because of its smaller sensor is going to make achieving shallower DOF tougher and the Sony A7 III will render extra detail due to its extra 8 Megapixels. Greater resolution will enable you to crop photos somewhat more aggressively.