Olympus E-3 vs Sony A57

The following is a in-depth comparison of the Olympus E-3 versus Sony A57, one is a Advanced DSLR and the latter is a Entry-Level DSLR by competitors Olympus and Sony. There exists a sizeable gap between the sensor resolutions of the E-3 (10MP) and A57 (16MP) and the E-3 (Four Thirds) and A57 (APS-C) possess totally different sensor sizing.

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The E-3 was launched 5 years earlier than the A57 which is quite a large gap as far as technology is concerned. Both of these cameras come with different body type with the Olympus E-3 being a Mid-size SLR camera and the Sony A57 being a Compact SLR camera.

Before delving straight into a in-depth comparison, below is a quick introduction of how the E-3 grades vs the A57 in terms of portability, imaging, features and an overall mark.

This is a preview of the gallery images for Olympus E-3 and Sony SLT-A57. The complete galleries are provided at Olympus E-3 Gallery and Sony A57 Gallery.

If you're aiming to travel with your camera regularly, you should think about its weight and volume. The Olympus E-3 has exterior dimensions of 142mm x 116mm x 75mm (5.6" x 4.6" x 3.0") with a weight of 890 grams (1.96 lbs) while the Sony A57 has sizing of 132mm x 98mm x 81mm (5.2" x 3.9" x 3.2") along with a weight of 618 grams (1.36 lbs).

Look at the Olympus E-3 versus Sony A57 in the new Camera and Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will differ depending on the lens you are utilizing during that time. The following is the front view overall size comparison of the E-3 and the A57.

Taking into consideration dimensions and weight, the portability score of the E-3 and A57 is 56 and 64 respectively.

Normally, it is very tough to envision the difference between sensor dimensions only by reviewing a spec sheet. The pic below will offer you a better sense of the sensor sizes in the E-3 and A57.

Clearly, the 2 cameras have got different megapixels and different sensor dimensions. The E-3 featuring a tinier sensor will make achieving bokeh tougher and the Sony A57 will deliver greater detail utilizing its extra 6MP. Higher resolution will also let you crop pictures much more aggressively. The more aged E-3 is going to be disadvantaged in sensor technology.