Olympus E-620 vs Sony A99

The following is a extended review of the Olympus E-620 vs Sony A99, one is a Entry-Level DSLR and the other is a Advanced DSLR by manufacturers Olympus and Sony. There is a big difference among the sensor resolutions of the E-620 (12MP) and A99 (24MP) and the E-620 (Four Thirds) and A99 (Full frame) possess totally different sensor measurements.

Photography Glossary

The E-620 was introduced 4 years before the A99 which is a fairly big gap as far as camera tech is concerned. Each of the cameras come with different body type with the Olympus E-620 being a Compact SLR camera and the Sony A99 being a Mid-size SLR camera.

Before we go through a full comparison, below is a brief view of how the E-620 matches up versus the A99 in relation to portability, imaging, features and an overall mark.

This is a sample of the gallery pictures for Olympus E-620 and Sony SLT-A99. The whole galleries are viewable at Olympus E-620 Gallery and Sony A99 Gallery.

For those who are intending to travel with your camera frequently, you'll need to factor in its weight and measurements. The Olympus E-620 has physical dimensions 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 A99 has proportions of 147mm x 111mm x 78mm (5.8" x 4.4" x 3.1") and a weight of 812 grams (1.79 lbs).

See the Olympus E-620 vs Sony A99 in the latest Camera and Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will vary based on the lens you select during that time. Following is the front view proportions comparison of the E-620 compared to the A99.

Taking into account size and weight, the portability score of the E-620 and A99 is 71 and 57 respectively.

Generally, it is very hard to see the gap in sensor dimensions just by checking out a spec sheet. The image underneath will give you a more clear sense of the sensor sizes in the E-620 and A99.

Clearly, both of these cameras have got different megapixel count and different sensor dimensions. The E-620 having a smaller sensor will make getting shallow DOF harder and the Sony A99 will show more detail using its extra 12MP. Greater resolution can also allow you to crop photos much more aggressively. The more aged E-620 will be behind in sensor technology.