Olympus E-3 vs Sony A58

Here is a detailed comparison of the Olympus E-3 versus Sony A58, one being a Advanced DSLR and the other is a Entry-Level DSLR by brands Olympus and Sony. There exists a sizeable gap among the image resolutions of the E-3 (10MP) and A58 (20MP) and the E-3 (Four Thirds) and A58 (APS-C) feature different sensor dimensions.

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The E-3 was announced 6 years before the A58 and that is a fairly large gap as far as camera technology is concerned. Both cameras come with different body type with the Olympus E-3 being a Mid-size SLR camera and the Sony A58 being a Compact SLR camera.

Before diving straight into a comprehensive comparison, below is a simple highlight of how the E-3 matches up versus the A58 when considering portability, imaging, features and an overall rating.

Here is a sample of the gallery pics for Olympus E-3 and Sony SLT-A58. The whole galleries are provided at Olympus E-3 Gallery and Sony A58 Gallery.

For anyone who is planning to carry your camera regularly, you will have to factor its weight and volume. The Olympus E-3 comes with outer dimensions of 142mm x 116mm x 75mm (5.6" x 4.6" x 3.0") accompanied by a weight of 890 grams (1.96 lbs) whilst the Sony A58 has sizing of 129mm x 95mm x 78mm (5.1" x 3.7" x 3.1") and a weight of 492 grams (1.08 lbs).

Check out the Olympus E-3 versus Sony A58 in the new Camera with Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will vary based on the lens you have chosen at the time. Underneath is the front view physical size comparison of the E-3 compared to the A58.

Considering dimensions and weight, the portability rating of the E-3 and A58 is 56 and 68 respectively.

Typically, it's tough to imagine the contrast in sensor sizing only by seeing technical specs. The graphic underneath may give you a much better sense of the sensor dimensions in the E-3 and A58.

As you have seen, the 2 cameras posses different megapixel count and different sensor sizing. The E-3 having a smaller sensor is going to make getting shallow depth of field harder and the Sony A58 will show extra detail with its extra 10 Megapixels. Greater resolution will also let you crop photos somewhat more aggressively. The older E-3 will be behind when it comes to sensor innovation.