Olympus E-P5 vs Sony A900

Let's look a bit more closely at the Olympus E-P5 versus Sony A900, one is a Entry-Level Mirrorless and the latter is a Advanced DSLR by manufacturers Olympus and Sony. There is a significant difference between the image resolutions of the E-P5 (16MP) and A900 (25MP) and the E-P5 (Four Thirds) and A900 (Full frame) possess different sensor sizing.

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The E-P5 was introduced 5 years after the A900 which is quite a sizable gap as far as tech is concerned. Both cameras come with different body type with the Olympus E-P5 being a Rangefinder-style mirrorless camera and the Sony A900 being a Mid-size SLR camera.

Before diving in to a comprehensive comparison, below is a short view of how the E-P5 grades against the A900 with regard to portability, imaging, features and an overall mark.

Below is a preview of the gallery images for Olympus PEN E-P5 and Sony Alpha DSLR-A900. The whole galleries are viewable at Olympus E-P5 Gallery and Sony A900 Gallery.

When you are going to travel with your camera, you'll have to think about its weight and size. The Olympus E-P5 has got outer measurements of 122mm x 69mm x 37mm (4.8" x 2.7" x 1.5") having a weight of 420 grams (0.93 lbs) and the Sony A900 has specifications of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") with a weight of 895 grams (1.97 lbs).

See the Olympus E-P5 versus Sony A900 in the all new Camera with Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will vary based on the lens you are working with at that moment. The following is the front view size comparison of the E-P5 compared to the A900.

Using size and weight, the portability score of the E-P5 and A900 is 85 and 54 respectively.

Usually, it is very hard to imagine the contrast between sensor dimensions just by going over specifications. The image underneath will give you a better sense of the sensor measurements in the E-P5 and A900.

To sum up, the two cameras have got different resolutions and different sensor dimensions. The E-P5 having a tinier sensor is going to make shooting shallower DOF more difficult and the Sony A900 will offer you extra detail using its extra 9 Megapixels. Higher resolution will also enable you to crop pictures much more aggressively. The fresher E-P5 should have an edge with regard to sensor tech.