Olympus E-400 vs Sony A100

Lets look much closer at the Olympus E-400 and Sony A100, both Entry-Level DSLR digital cameras by brands Olympus and Sony. The resolution of the E-400 (10MP) and the A100 (10MP) is very well matched but the E-400 (Four Thirds) and A100 (APS-C) offer totally different sensor size.

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The E-400 was manufactured 2 months after the A100 and they are of a similar generation. Both cameras feature the same body design (Compact SLR).

Before going into a thorough comparison, here is a quick introduction of how the E-400 grades versus the A100 in relation to portability, imaging, features and an overall score.

Below is a sample of the gallery pics for Olympus E-400 and Sony Alpha DSLR-A100. The entire galleries are available at Olympus E-400 Gallery and Sony A100 Gallery.

For those who are going to carry around your camera frequently, you need to factor in its weight and volume. The Olympus E-400 comes with outer dimensions of 130mm x 91mm x 53mm (5.1" x 3.6" x 2.1") with a weight of 435 grams (0.96 lbs) whilst the Sony A100 has sizing of 133mm x 95mm x 71mm (5.2" x 3.7" x 2.8") with a weight of 638 grams (1.41 lbs).

Examine the Olympus E-400 and Sony A100 in the latest Camera with Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will vary dependant on the lens you have chosen during that time. Underneath is a front view scale comparison of the E-400 and the A100.

Taking into account size and weight, the portability score of the E-400 and A100 is 77 and 64 respectively.

Oftentimes, its tough to visualise the gap between sensor sizes purely by checking technical specs. The picture below will help offer you a more clear sense of the sensor dimensions in the E-400 and A100.

As you can tell, each of the cameras come with the identical resolution but not the same sensor sizes. The E-400 features the tinier sensor which should make achieving shallow depth of field trickier.