Olympus E-P5 vs Sony A100

In this write-up, we will be matching up the Olympus E-P5 and Sony A100, one being a Entry-Level Mirrorless and the latter is a Entry-Level DSLR by brands Olympus and Sony. There exists a sizeable gap between the resolutions of the E-P5 (16MP) and A100 (10MP) and the E-P5 (Four Thirds) and A100 (APS-C) possess totally different sensor size.

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The E-P5 was brought out 7 years later than the A100 and that is quite a large gap as far as technology is concerned. Each of the cameras offer different body type with the Olympus E-P5 being a Rangefinder-style mirrorless camera and the Sony A100 being a Compact SLR camera.

Before delving through a detailed comparison, below is a brief summary of how the E-P5 grades against the A100 when considering portability, imaging, features and an overall grade.

Below is a preview of the gallery images for Olympus PEN E-P5 and Sony Alpha DSLR-A100. The entire galleries are provided at Olympus E-P5 Gallery and Sony A100 Gallery.

In case you're planning to lug around your camera regularly, you will want to factor in its weight and volume. The Olympus E-P5 has physical measurements of 122mm x 69mm x 37mm (4.8" x 2.7" x 1.5") with a weight of 420 grams (0.93 lbs) whilst the Sony A100 has sizing of 133mm x 95mm x 71mm (5.2" x 3.7" x 2.8") with a weight of 638 grams (1.41 lbs).

Examine the Olympus E-P5 and Sony A100 in the latest Camera with Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will change based on the lens you have at the time. Following is the front view dimension comparison of the E-P5 against the A100.

Taking into consideration dimensions and weight, the portability grade of the E-P5 and A100 is 85 and 64 respectively.

Typically, it is very tough to see the difference between sensor measurements simply by reviewing a spec sheet. The graphic underneath may provide you a more clear sense of the sensor sizing in the E-P5 and A100.

As you can see, both the cameras offer different megapixel count and different sensor measurements. The E-P5 due to its tinier sensor will make shooting bokeh tougher and the Olympus E-P5 will offer you greater detail having its extra 6 Megapixels. Higher resolution will enable you to crop shots a little more aggressively. The newer E-P5 will have a benefit with regard to sensor tech.