Olympus E-3 vs Sony A77

The following is a extended overview of the Olympus E-3 vs Sony A77, both Advanced DSLR digital cameras by manufacturers Olympus and Sony. There exists a significant gap between the resolutions of the E-3 (10MP) and A77 (24MP) and the E-3 (Four Thirds) and A77 (APS-C) possess totally different sensor measurements.

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The E-3 was unveiled 4 years earlier than the A77 which is quite a sizable gap as far as technology is concerned. Both of these cameras offer the identical body type (Mid-size SLR).

Before going in to a thorough comparison, below is a concise view of how the E-3 scores vs the A77 when it comes to portability, imaging, features and an overall mark.

Below is a preview of the gallery images for Olympus E-3 and Sony SLT-A77. The full galleries are viewable at Olympus E-3 Gallery and Sony A77 Gallery.

For anybody who is looking to travel with your camera, you'll need to think about its weight and measurements. The Olympus E-3 has outside measurements of 142mm x 116mm x 75mm (5.6" x 4.6" x 3.0") with a weight of 890 grams (1.96 lbs) whilst the Sony A77 has proportions of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") with a weight of 732 grams (1.61 lbs).

Take a look at the Olympus E-3 vs Sony A77 in the new Camera with Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will change dependant on the lens you are utilising at that moment. Underneath is the front view proportions comparison of the E-3 compared to the A77.

Factoring in dimensions and weight, the portability grade of the E-3 and A77 is 56 and 59 respectively.

Quite often, it is very difficult to see the difference between sensor dimensions only by reading through technical specs. The picture below will help provide you a far better sense of the sensor sizing in the E-3 and A77.

As you can tell, both of the cameras offer different megapixels and different sensor dimensions. The E-3 with its tinier sensor will make achieving shallower DOF more challenging and the Sony A77 will give extra detail having an extra 14 Megapixels. Higher resolution will also let you crop photographs a little more aggressively. The more aged E-3 is going to be behind when it comes to sensor tech.