Olympus E-330 vs Sony A7R III

Its time to look a little more in depth at the Olympus E-330 and Sony A7R III, former is a Advanced DSLR while the other is a Pro Mirrorless by manufacturers Olympus and Sony. There exists a considerable gap among the image resolutions of the E-330 (7MP) and A7R III (42MP) and the E-330 (Four Thirds) and A7R III (Full frame) boast different sensor dimensions.

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The E-330 was announced 12 years prior to the A7R III which is a fairly large difference as far as camera technology is concerned. The two cameras feature different body design with the Olympus E-330 being a Mid-size SLR camera and the Sony A7R III being a SLR-style mirrorless camera.

Before diving straight to a comprehensive comparison, here is a concise synopsis of how the E-330 matches up against the A7R III in the way of portability, imaging, features and an overall score.

This is a sample of the gallery pics for Olympus E-330 & Sony Alpha A7R III. The whole galleries are available at Olympus E-330 Gallery & Sony A7R III Gallery.

In case you're planning to carry around your camera regularly, you need to think about its weight and size. The Olympus E-330 enjoys outside measurements of 140mm x 87mm x 72mm (5.5" x 3.4" x 2.8") along with a weight of 616 grams (1.36 lbs) and the Sony A7R III has specifications of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") and a weight of 657 grams (1.45 lbs).

See the Olympus E-330 and Sony A7R III in our completely new Camera & Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will vary dependant on the lens you are employing at that moment. Underneath is a front view proportions comparison of the E-330 and the A7R III.

Looking at dimensions and weight, the portability grade of the E-330 and A7R III is 65 and 63 respectively.

Normally, it is very hard to picture the difference in sensor sizes merely by viewing specifications. The image underneath might give you a clearer sense of the sensor sizing in the E-330 and A7R III.

To sum up, both of those cameras come with different megapixel count and different sensor sizes. The E-330 using its smaller sensor is going to make achieving shallow depth of field harder and the Sony A7R III will provide you with greater detail with its extra 35 Megapixels. Greater resolution will allow you to crop images a good deal more aggressively. The more aged E-330 will be behind in sensor technology.