Olympus E-1 vs Sony A7S

Lets take a closer look at the Olympus E-1 and Sony A7S, one being a Pro DSLR and the other is a Pro Mirrorless by companies Olympus and Sony. There is a significant difference among the image resolutions of the E-1 (5MP) and A7S (12MP) and the E-1 (Four Thirds) and A7S (Full frame) come with totally different sensor measurements.

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The E-1 was manufactured 11 years earlier than the A7S and that is a fairly sizable gap as far as camera tech is concerned. The two cameras offer different body type with the Olympus E-1 being a Large SLR camera and the Sony A7S being a SLR-style mirrorless camera.

Before diving straight into a step-by-step comparison, below is a quick highlight of how the E-1 grades versus the A7S for portability, imaging, features and an overall grade.

The following is a sample of the gallery pics for Olympus E-1 and Sony Alpha A7S. The entire galleries are available at Olympus E-1 Gallery and Sony A7S Gallery.

In case you're going to lug around your camera frequently, you are going to need to factor its weight and measurements. The Olympus E-1 comes with outside measurements of 141mm x 104mm x 81mm (5.6" x 4.1" x 3.2") having a weight of 735 grams (1.62 lbs) while the Sony A7S has proportions of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") with a weight of 489 grams (1.08 lbs).

Take a look at the Olympus E-1 and Sony A7S in the latest Camera with Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will differ dependant on the lens you use at the time. Below is the front view dimensions comparison of the E-1 compared to the A7S.

Taking into consideration size and weight, the portability grade of the E-1 and A7S is 59 and 77 respectively.

Oftentimes, it can be hard to see the gap in sensor measurements merely by researching specs. The photograph here will offer you a stronger sense of the sensor sizing in the E-1 and A7S.

As you can plainly see, each of the cameras offer different resolutions and different sensor measurements. The E-1 because of its smaller sensor will make achieving shallower depth of field trickier and the Sony A7S will provide you with extra detail due to its extra 7 Megapixels. Greater resolution can also help you crop pics a little more aggressively. The older E-1 will be disadvantaged when it comes to sensor technology.