Olympus E-620 vs Sony A100

Its time to take a deeper look at the Olympus E-620 versus Sony A100, both Entry-Level DSLR digital cameras by manufacturers Olympus and Sony. The image resolution of the E-620 (12MP) and the A100 (10MP) is very similar but the E-620 (Four Thirds) and A100 (APS-C) offer totally different sensor measurements.

Photography Glossary

The E-620 was launched 2 years after the A100 which is quite a serious difference as far as tech is concerned. Each of these cameras feature the same body design (Compact SLR).

Before we go straight to a more detailed comparison, here is a brief summary of how the E-620 scores versus the A100 when it comes to portability, imaging, features and an overall mark.

This is a sample of the gallery pics for Olympus E-620 & Sony Alpha DSLR-A100. The complete galleries are provided at Olympus E-620 Gallery & Sony A100 Gallery.

In case you're going to travel with your camera often, you will need to consider its weight and volume. The Olympus E-620 has got exterior measurements of 130mm x 94mm x 60mm (5.1" x 3.7" x 2.4") with a weight of 500 grams (1.10 lbs) and the Sony A100 has sizing of 133mm x 95mm x 71mm (5.2" x 3.7" x 2.8") and a weight of 638 grams (1.41 lbs).

Compare the Olympus E-620 versus Sony A100 in our completely new Camera plus Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will differ depending on the lens you have chosen at that moment. Following is a front view physical size comparison of the E-620 vs the A100.

Taking into consideration size and weight, the portability rating of the E-620 and A100 is 71 and 64 respectively.

Usually, it is very hard to visualise the gap between sensor dimensions simply by going over a spec sheet. The picture here will offer you a greater sense of the sensor sizing in the E-620 and A100.

As you can see, the two cameras come with different megapixels and different sensor dimensions. The E-620 due to its tinier sensor will make shooting shallower DOF more challenging and the Olympus E-620 will deliver extra detail utilizing its extra 2MP. Greater resolution can also enable you to crop photos a good deal more aggressively. The more modern E-620 will have an edge with regard to sensor technology.