Olympus E-PM2 vs Sony A100

Below, we will be comparing the Olympus E-PM2 and Sony A100, one is a Entry-Level Mirrorless and the latter is a Entry-Level DSLR by brands Olympus and Sony. There exists a big gap among the image resolutions of the E-PM2 (16MP) and A100 (10MP) and the E-PM2 (Four Thirds) and A100 (APS-C) use totally different sensor sizing.

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The E-PM2 was launched 6 years after the A100 which is a fairly big gap as far as camera technology is concerned. The two cameras come with different body type with the Olympus E-PM2 being a Rangefinder-style mirrorless camera and the Sony A100 being a Compact SLR camera.

Before getting straight into a comprehensive comparison, below is a brief overview of how the E-PM2 scores vs the A100 when it comes to portability, imaging, features and an overall mark.

Below is a preview of the gallery images for Olympus PEN E-PM2 and Sony Alpha DSLR-A100. The complete galleries are viewable at Olympus E-PM2 Gallery and Sony A100 Gallery.

If you're going to travel with your camera frequently, you will need to consider its weight and size. The Olympus E-PM2 features outside measurements of 110mm x 64mm x 34mm (4.3" x 2.5" x 1.3") along with a weight of 269 grams (0.59 lbs) whilst the Sony A100 has specifications of 133mm x 95mm x 71mm (5.2" x 3.7" x 2.8") and a weight of 638 grams (1.41 lbs).

Look at the Olympus E-PM2 and Sony A100 in the new Camera and Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will change dependant on the lens you are utilising at that moment. Following is the front view physical size comparison of the E-PM2 versus the A100.

Taking into consideration dimensions and weight, the portability rating of the E-PM2 and A100 is 89 and 64 respectively.

Sometimes, it is very difficult to see the difference in sensor dimensions just by looking through a spec sheet. The pic underneath will provide you a better sense of the sensor measurements in the E-PM2 and A100.

Clearly, both of these cameras posses different megapixel count and different sensor dimensions. The E-PM2 because of its smaller sensor will make getting shallow depth of field more challenging and the Olympus E-PM2 will result in extra detail utilizing its extra 6 Megapixels. Higher resolution will make it easier to crop pictures somewhat more aggressively. The more recent E-PM2 will have a benefit with regard to sensor innovation.