Olympus E-PM1 vs Sony A58

Lets look more closely at the Olympus E-PM1 versus Sony A58, one is a Entry-Level Mirrorless and the latter is a Entry-Level DSLR by companies Olympus and Sony. There exists a significant gap between the sensor resolutions of the E-PM1 (12MP) and A58 (20MP) and the E-PM1 (Four Thirds) and A58 (APS-C) have totally different sensor sizing.

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The E-PM1 was released 24 months earlier than the A58 which makes them a generation away from one another. Each of these cameras feature different body design with the Olympus E-PM1 being a Rangefinder-style mirrorless camera and the Sony A58 being a Compact SLR camera.

Before delving into a comprehensive comparison, here is a quick synopsis of how the E-PM1 matches up against the A58 in relation to portability, imaging, features and an overall score.

Following is a preview of the gallery images for Olympus PEN E-PM1 and Sony SLT-A58. The complete galleries are available at Olympus E-PM1 Gallery and Sony A58 Gallery.

For anyone who is aiming to carry around your camera regularly, you'll have to think about its weight and dimensions. The Olympus E-PM1 provides physical dimensions of 110mm x 64mm x 34mm (4.3" x 2.5" x 1.3") with a weight of 265 grams (0.58 lbs) while the Sony A58 has dimensions of 129mm x 95mm x 78mm (5.1" x 3.7" x 3.1") with a weight of 492 grams (1.08 lbs).

Take a look at the Olympus E-PM1 versus Sony A58 in the all new Camera and Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are using during that time. Below is a front view sizing comparison of the E-PM1 against the A58.

Taking into consideration dimensions and weight, the portability rating of the E-PM1 and A58 is 89 and 68 respectively.

More often than not, it is very hard to envision the contrast between sensor sizes simply by reading through specs. The image underneath might provide you a much better sense of the sensor dimensions in the E-PM1 and A58.

All in all, both of those cameras feature different resolutions and different sensor sizes. The E-PM1 featuring a tinier sensor will make achieving shallower DOF harder and the Sony A58 will give you greater detail as a result of its extra 8MP. Higher resolution can also let you crop photographs way more aggressively. The more aged E-PM1 is going to be disadvantaged when it comes to sensor tech.