Olympus E-330 vs Sony A55

Its time to look a bit more in depth at the Olympus E-330 vs Sony A55, one being a Advanced DSLR and the latter is a Entry-Level DSLR by competitors Olympus and Sony. There is a sizeable difference among the resolutions of the E-330 (7MP) and A55 (16MP) and the E-330 (Four Thirds) and A55 (APS-C) enjoy totally different sensor sizing.

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The E-330 was revealed 5 years prior to the A55 and that is a fairly large gap as far as camera tech is concerned. Each of these cameras offer different body type with the Olympus E-330 being a Mid-size SLR camera and the Sony A55 being a Compact SLR camera.

Before delving through a step-by-step comparison, below is a short introduction of how the E-330 matches up versus the A55 in the way of portability, imaging, features and an overall grade.

This is a preview of the gallery images for Olympus E-330 and Sony SLT-A55. The full galleries are viewable at Olympus E-330 Gallery and Sony A55 Gallery.

If you are looking to lug around your camera frequently, you have to consider its weight and dimensions. 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) whilst the Sony A55 has dimensions of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") with a weight of 500 grams (1.10 lbs).

Take a look at the Olympus E-330 vs Sony A55 in the new Camera and Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will differ dependant on the lens you have attached at that moment. Here is the front view measurement comparison of the E-330 and the A55.

Taking into account size and weight, the portability rating of the E-330 and A55 is 65 and 67 respectively.

Usually, it is very tough to visualise the contrast in sensor measurements only by going through specs. The visual below might offer you a better sense of the sensor sizing in the E-330 and A55.

All in all, both of those cameras enjoy different megapixel count and different sensor measurements. The E-330 with its smaller sensor will make achieving shallow DOF harder and the Sony A55 will produce extra detail because of its extra 9MP. Higher resolution will enable you to crop shots far more aggressively. The older E-330 will be disadvantaged when it comes to sensor tech.