Olympus E-330 vs Sony NEX-3

On this page, we are comparing the Olympus E-330 versus Sony NEX-3, one is a Advanced DSLR and the other is a Entry-Level Mirrorless by companies Olympus and Sony. There exists a huge gap among the image resolutions of the E-330 (7MP) and NEX-3 (14MP) and the E-330 (Four Thirds) and NEX-3 (APS-C) boast different sensor measurements.

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The E-330 was brought out 5 years before the NEX-3 which is a fairly significant gap as far as camera technology is concerned. Both the cameras have different body design with the Olympus E-330 being a Mid-size SLR camera and the Sony NEX-3 being a Rangefinder-style mirrorless camera.

Before going into a step-by-step comparison, here is a short highlight of how the E-330 grades vs the NEX-3 with regards to portability, imaging, features and an overall mark.

Below is a sample of the gallery pics for Olympus E-330 and Sony Alpha NEX-3. The entire galleries are viewable at Olympus E-330 Gallery and Sony NEX-3 Gallery.

For those who are planning to travel with your camera, you will need to think about its weight and measurements. The Olympus E-330 offers physical measurements of 140mm x 87mm x 72mm (5.5" x 3.4" x 2.8") with a weight of 616 grams (1.36 lbs) and the Sony NEX-3 has proportions of 117mm x 62mm x 33mm (4.6" x 2.4" x 1.3") along with a weight of 297 grams (0.65 lbs).

Examine the Olympus E-330 versus Sony NEX-3 in the latest Camera and Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will differ based on the lens you are working with at that time. Following is a front view over all size comparison of the E-330 versus the NEX-3.

Looking at dimensions and weight, the portability score of the E-330 and NEX-3 is 65 and 89 respectively.

More often than not, its tough to visualize the contrast in sensor dimensions purely by seeing technical specs. The image here will provide you a clearer sense of the sensor measurements in the E-330 and NEX-3.

As you have seen, each of these cameras have different megapixel count and different sensor dimensions. The E-330 due to its smaller sensor is going to make achieving shallower depth of field more challenging and the Sony NEX-3 will produce more detail having its extra 7MP. Greater resolution will also allow you to crop photos a bit more aggressively. The more aged E-330 will be behind with regard to sensor innovation.