Olympus E-M5 vs Sony A900

In this article, we are contrasting the Olympus E-M5 versus Sony A900, one is a Advanced Mirrorless and the other is a Advanced DSLR by companies Olympus and Sony. There is a sizeable difference among the sensor resolutions of the E-M5 (16MP) and A900 (25MP) and the E-M5 (Four Thirds) and A900 (Full frame) feature totally different sensor measurements.

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The E-M5 was released 3 years after the A900 which is a fairly large gap as far as camera tech is concerned. Both the cameras offer different body type with the Olympus E-M5 being a SLR-style mirrorless camera and the Sony A900 being a Mid-size SLR camera.

Before delving in to a comprehensive comparison, below is a brief introduction of how the E-M5 grades vs the A900 in the way of portability, imaging, features and an overall mark.

Here is a sample of the gallery pictures for Olympus OM-D E-M5 and Sony Alpha DSLR-A900. The complete galleries are viewable at Olympus E-M5 Gallery and Sony A900 Gallery.

For anybody who is planning to travel with your camera often, you should think about its weight and volume. The Olympus E-M5 enjoys outside dimensions of 122mm x 89mm x 43mm (4.8" x 3.5" x 1.7") having a weight of 425 grams (0.94 lbs) whilst the Sony A900 has sizing of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") along with a weight of 895 grams (1.97 lbs).

Examine the Olympus E-M5 versus Sony A900 in the latest Camera and Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will change dependant on the lens you choose at that moment. Following is the front view dimensions comparison of the E-M5 versus the A900.

Factoring in size and weight, the portability rating of the E-M5 and A900 is 81 and 54 respectively.

Often, it is difficult to visualise the difference in sensor dimensions only by looking through technical specs. The picture below will provide you a greater sense of the sensor sizes in the E-M5 and A900.

As you have seen, both the cameras enjoy different megapixels and different sensor dimensions. The E-M5 featuring a smaller sensor will make getting shallow DOF tougher and the Sony A900 will provide you with greater detail as a result of its extra 9 Megapixels. Greater resolution can also allow you to crop images far more aggressively. The more modern E-M5 is going to have an advantage with regard to sensor innovation.