Olympus E-3 vs Sony A330

Let's look a bit more closely at the Olympus E-3 versus Sony A330, one is a Advanced DSLR and the latter is a Entry-Level DSLR by companies Olympus and Sony. The image resolution of the E-3 (10MP) and the A330 (10MP) is relatively well matched but the E-3 (Four Thirds) and A330 (APS-C) have different sensor dimensions.

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The E-3 was released 15 months earlier than the A330 which makes them a generation away from one another. Both of these cameras feature different body design with the Olympus E-3 being a Mid-size SLR camera and the Sony A330 being a Compact SLR camera.

Before going right into a more detailed comparison, here is a short summary of how the E-3 matches up against the A330 when considering portability, imaging, features and an overall score.

Following is a preview of the gallery photos for Olympus E-3 and Sony Alpha DSLR-A330. The complete galleries are provided at Olympus E-3 Gallery and Sony A330 Gallery.

If you are planning to carry around your camera, you will want to consider its weight and size. The Olympus E-3 offers 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 A330 has specifications of 128mm x 97mm x 71mm (5.0" x 3.8" x 2.8") and a weight of 529 grams (1.17 lbs).

Contrast the Olympus E-3 versus Sony A330 in the all new Camera and Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will differ depending on the lens you use at the time. Underneath is a front view over all size comparison of the E-3 against the A330.

Using dimensions and weight, the portability score of the E-3 and A330 is 56 and 67 respectively.

Normally, it can be tough to imagine the contrast between sensor sizes simply by looking at a spec sheet. The image below will provide you a stronger sense of the sensor dimensions in the E-3 and A330.

As you can see, both cameras feature the identical megapixels albeit different sensor sizes. The E-3 contains the tinier sensor which should make achieving shallow depth of field more difficult. The more aged E-3 is going to be behind with regard to sensor tech.