Olympus E-P1 vs Sony A900

Its time to examine more closely at the Olympus E-P1 vs Sony A900, former being a Entry-Level Mirrorless while the other is a Advanced DSLR by manufacturers Olympus and Sony. There is a large difference between the sensor resolutions of the E-P1 (12MP) and A900 (25MP) and the E-P1 (Four Thirds) and A900 (Full frame) possess different sensor size.

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The E-P1 was introduced 10 months later than the A900 which means that they are both of a similar age. Each of these cameras offer different body type with the Olympus E-P1 being a Rangefinder-style mirrorless camera and the Sony A900 being a Mid-size SLR camera.

Before we go straight into a comprehensive comparison, below is a simple highlight of how the E-P1 grades against the A900 in terms of portability, imaging, features and an overall grade.

Here is a sample of the gallery pictures for Olympus PEN E-P1 & Sony Alpha DSLR-A900. The whole galleries are provided at Olympus E-P1 Gallery & Sony A900 Gallery.

In case you're aiming to lug around your camera frequently, you will have to take into account its weight and proportions. The Olympus E-P1 comes with physical dimensions of 121mm x 70mm x 36mm (4.8" x 2.8" x 1.4") and a weight of 355 grams (0.78 lbs) and the Sony A900 has measurements of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") having a weight of 895 grams (1.97 lbs).

See the Olympus E-P1 vs Sony A900 in our newest Camera & Lens Size Comparison Tool.

Always remember, the weight of an ILC will change based on the lens you are working with during that time. Below is the front view measurement comparison of the E-P1 compared to the A900.

Factoring in size and weight, the portability grade of the E-P1 and A900 is 86 and 54 respectively.

Generally, it can be difficult to picture the gap between sensor measurements purely by reading specs. The photograph below will offer you a more clear sense of the sensor sizes in the E-P1 and A900.

All in all, both the cameras enjoy different megapixels and different sensor measurements. The E-P1 with its tinier sensor is going to make getting bokeh harder and the Sony A900 will offer more detail using its extra 13MP. Greater resolution can also let you crop images far more aggressively. The younger E-P1 should have a benefit when it comes to sensor technology.