Olympus E-3 vs Sony A390

Let's look closer at the Olympus E-3 versus Sony A390, one is a Advanced DSLR and the other is a Entry-Level DSLR by brands Olympus and Sony. There is a crucial difference between the resolutions of the E-3 (10MP) and A390 (14MP) and the E-3 (Four Thirds) and A390 (APS-C) have totally different sensor sizes.

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The E-3 was unveiled 3 years earlier than the A390 which is quite a serious gap as far as tech is concerned. Both the cameras have different body design with the Olympus E-3 being a Mid-size SLR camera and the Sony A390 being a Compact SLR camera.

Before going right into a step-by-step comparison, here is a concise introduction of how the E-3 scores versus the A390 for portability, imaging, features and an overall mark.

This is a sample of the gallery pics for Olympus E-3 and Sony Alpha DSLR-A390. The full galleries are provided at Olympus E-3 Gallery and Sony A390 Gallery.

If you're intending to travel with your camera frequently, you have to factor its weight and dimensions. The Olympus E-3 comes with exterior measurements of 142mm x 116mm x 75mm (5.6" x 4.6" x 3.0") along with a weight of 890 grams (1.96 lbs) while the Sony A390 has dimensions of 128mm x 97mm x 86mm (5.0" x 3.8" x 3.4") with a weight of 549 grams (1.21 lbs).

Check the Olympus E-3 versus Sony A390 in the new Camera and Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will vary based on the lens you are utilizing at the time. Below is a front view scale comparison of the E-3 against the A390.

Taking into consideration size and weight, the portability grade of the E-3 and A390 is 56 and 66 respectively.

Often, it's tough to envision the difference between sensor dimensions merely by going over specifications. The picture below will give you a better sense of the sensor sizing in the E-3 and A390.

To sum up, each of the cameras provide different megapixels and different sensor dimensions. The E-3 having a tinier sensor will make achieving shallower depth of field more difficult and the Sony A390 will offer you greater detail having an extra 4MP. Greater resolution will allow you to crop images more aggressively. The more aged E-3 is going to be disadvantaged when it comes to sensor technology.