Olympus E-1 vs Sony A55

Following is a comprehensive analysis of the Olympus E-1 vs Sony A55, one is a Pro DSLR and the other is a Entry-Level DSLR by brands Olympus and Sony. There is a huge difference between the image resolutions of the E-1 (5MP) and A55 (16MP) and the E-1 (Four Thirds) and A55 (APS-C) use different sensor measurements.

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The E-1 was launched 7 years earlier than the A55 which is quite a significant gap as far as tech is concerned. Each of these cameras come with different body type with the Olympus E-1 being a Large SLR camera and the Sony A55 being a Compact SLR camera.

Before diving straight into a comprehensive comparison, below is a simple summation of how the E-1 scores against the A55 when it comes to portability, imaging, features and an overall score.

The following is a sample of the gallery pictures for Olympus E-1 and Sony SLT-A55. The complete galleries are provided at Olympus E-1 Gallery and Sony A55 Gallery.

For those who are looking to carry around your camera, you'll have to consider its weight and proportions. The Olympus E-1 has outside dimensions of 141mm x 104mm x 81mm (5.6" x 4.1" x 3.2") and a weight of 735 grams (1.62 lbs) while the Sony A55 has measurements of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") and a weight of 500 grams (1.10 lbs).

Check the Olympus E-1 vs Sony A55 in the all new Camera with Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will vary dependant on the lens you select at the time. Below is the front view scale comparison of the E-1 against the A55.

Taking into account size and weight, the portability score of the E-1 and A55 is 59 and 67 respectively.

Oftentimes, it is very tough to visualize the difference between sensor sizes purely by reading through technical specs. The picture here should offer you a better sense of the sensor dimensions in the E-1 and A55.

As you can tell, each of the cameras posses different resolutions and different sensor sizes. The E-1 featuring a tinier sensor is going to make achieving shallower DOF harder and the Sony A55 will give you extra detail utilizing its extra 11MP. Greater resolution will help you crop pics somewhat more aggressively. The more aged E-1 is going to be behind with regard to sensor technology.