Olympus E-330 vs Sony A57

Below, we will be looking at the Olympus E-330 and Sony A57, former being a Advanced DSLR while the latter is a Entry-Level DSLR by competitors Olympus and Sony. There is a noticeable difference among the image resolutions of the E-330 (7MP) and A57 (16MP) and the E-330 (Four Thirds) and A57 (APS-C) come with different sensor size.

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The E-330 was introduced 7 years before the A57 and that is a fairly sizable difference as far as camera tech is concerned. Both of these cameras come with different body type with the Olympus E-330 being a Mid-size SLR camera and the Sony A57 being a Compact SLR camera.

Before going in to a in-depth comparison, below is a quick view of how the E-330 matches up versus the A57 with regard to portability, imaging, features and an overall rating.

Following is a preview of the gallery images for Olympus E-330 & Sony SLT-A57. The whole galleries are viewable at Olympus E-330 Gallery & Sony A57 Gallery.

For those who are planning to carry your camera, you have to consider its weight and size. The Olympus E-330 provides external dimensions of 140mm x 87mm x 72mm (5.5" x 3.4" x 2.8") having a weight of 616 grams (1.36 lbs) whilst the Sony A57 has specifications of 132mm x 98mm x 81mm (5.2" x 3.9" x 3.2") and a weight of 618 grams (1.36 lbs).

Take a look at the Olympus E-330 and Sony A57 in our newest Camera plus Lens Size Comparison Tool.

Do not forget, the weight of an ILC will differ dependant on the lens you have attached at that moment. Below is the front view size comparison of the E-330 versus the A57.

Factoring in size and weight, the portability rating of the E-330 and A57 is 65 and 64 respectively.

Generally, it can be difficult to imagine the gap in sensor sizing only by going through technical specs. The photograph below will help provide you a far better sense of the sensor dimensions in the E-330 and A57.

As you can tell, each of these cameras posses different resolutions and different sensor sizing. The E-330 with its smaller sensor is going to make getting shallow DOF trickier and the Sony A57 will show greater detail using its extra 9 Megapixels. Higher resolution will let you crop shots somewhat more aggressively. The older E-330 will be behind with regard to sensor tech.