Olympus E-1 vs Sony A77

The following is a extended review of the Olympus E-1 and Sony A77, former is a Pro DSLR while the other is a Advanced DSLR by companies Olympus and Sony. There is a considerable difference between the image resolutions of the E-1 (5MP) and A77 (24MP) and the E-1 (Four Thirds) and A77 (APS-C) enjoy totally different sensor measurements.

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The E-1 was announced 9 years prior to the A77 which is quite a large difference as far as tech is concerned. Both of these cameras come with different body type with the Olympus E-1 being a Large SLR camera and the Sony A77 being a Mid-size SLR camera.

Before diving in to a detailed comparison, below is a short highlight of how the E-1 matches up vs the A77 in terms of portability, imaging, features and an overall mark.

Here is a sample of the gallery pictures for Olympus E-1 & Sony SLT-A77. The whole galleries are available at Olympus E-1 Gallery & Sony A77 Gallery.

For anyone who is going to travel with your camera often, you will need to factor in its weight and size. The Olympus E-1 provides physical dimensions of 141mm x 104mm x 81mm (5.6" x 4.1" x 3.2") along with a weight of 735 grams (1.62 lbs) while the Sony A77 has specifications of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") having a weight of 732 grams (1.61 lbs).

Look at the Olympus E-1 and Sony A77 in our newest Camera plus Lens Size Comparison Tool.

Don't forget, the weight of an ILC will vary based on the lens you select at that time. Below is the front view size comparison of the E-1 versus the A77.

Factoring in size and weight, the portability grade of the E-1 and A77 is 59 and 59 respectively.

Often, it is very difficult to visualise the contrast between sensor dimensions simply by reviewing specifications. The picture underneath might offer you a much better sense of the sensor sizes in the E-1 and A77.

To sum up, both cameras posses different megapixels and different sensor dimensions. The E-1 with its tinier sensor will make getting bokeh trickier and the Sony A77 will deliver more detail with its extra 19MP. Greater resolution can also help you crop photos somewhat more aggressively. The more aged E-1 is going to be behind with regard to sensor innovation.