Olympus E-510 vs Sony A7R III

On this page, we will be analyzing the Olympus E-510 and Sony A7R III, one is a Advanced DSLR and the latter is a Pro Mirrorless by competitors Olympus and Sony. There exists a huge gap among the sensor resolutions of the E-510 (10MP) and A7R III (42MP) and the E-510 (Four Thirds) and A7R III (Full frame) boast different sensor measurements.

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The E-510 was introduced 11 years before the A7R III which is a fairly significant gap as far as camera technology is concerned. Both of these cameras have different body design with the Olympus E-510 being a Mid-size SLR camera and the Sony A7R III being a SLR-style mirrorless camera.

Before going into a thorough comparison, here is a brief summation of how the E-510 scores versus the A7R III in regards to portability, imaging, features and an overall score.

This is a preview of the gallery photos for Olympus E-510 and Sony Alpha A7R III. The whole galleries are available at Olympus E-510 Gallery and Sony A7R III Gallery.

If you are intending to carry around your camera often, you need to take into account its weight and measurements. The Olympus E-510 offers external dimensions of 136mm x 92mm x 68mm (5.4" x 3.6" x 2.7") along with a weight of 490 grams (1.08 lbs) while the Sony A7R III has proportions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") accompanied by a weight of 657 grams (1.45 lbs).

Contrast the Olympus E-510 and Sony A7R III in the all new Camera with Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will change dependant on the lens you are utilising at that time. Below is a front view scale comparison of the E-510 and the A7R III.

Looking at dimensions and weight, the portability rating of the E-510 and A7R III is 69 and 63 respectively.

Quite often, it is difficult to imagine the contrast in sensor sizes purely by seeing specifications. The picture below might provide you a far better sense of the sensor dimensions in the E-510 and A7R III.

Plainly, both the cameras have different megapixels and different sensor sizes. The E-510 using its smaller sensor is going to make achieving shallow DOF trickier and the Sony A7R III will provide greater detail using its extra 32 Megapixels. Higher resolution will enable you to crop photographs a bit more aggressively. The more aged E-510 will be disadvantaged in sensor technology.