Olympus E-M5 vs Sony A33

Let's take a deeper look at the Olympus E-M5 vs Sony A33, one being a Advanced Mirrorless and the other is a Entry-Level DSLR by manufacturers Olympus and Sony. The sensor resolution of the E-M5 (16MP) and the A33 (14MP) is very comparable but the E-M5 (Four Thirds) and A33 (APS-C) provide different sensor sizes.

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The E-M5 was introduced 21 months later than the A33 making them a generation apart from one another. Each of these cameras have different body design with the Olympus E-M5 being a SLR-style mirrorless camera and the Sony A33 being a Compact SLR camera.

Before delving into a complete comparison, here is a concise introduction of how the E-M5 matches up versus the A33 with respect to portability, imaging, features and an overall rating.

Following is a sample of the gallery pics for Olympus OM-D E-M5 and Sony SLT-A33. The whole galleries are provided at Olympus E-M5 Gallery and Sony A33 Gallery.

For those who are aiming to carry your camera frequently, you will need to take into account its weight and volume. The Olympus E-M5 enjoys physical dimensions of 122mm x 89mm x 43mm (4.8" x 3.5" x 1.7") along with a weight of 425 grams (0.94 lbs) while the Sony A33 has sizing of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") and a weight of 500 grams (1.10 lbs).

Examine the Olympus E-M5 vs Sony A33 in the latest Camera with Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will change dependant on the lens you are working with at that time. Below is a front view dimensions comparison of the E-M5 compared to the A33.

Taking into consideration dimensions and weight, the portability score of the E-M5 and A33 is 81 and 67 respectively.

More often than not, it's difficult to imagine the gap in sensor sizing purely by seeing a spec sheet. The photograph underneath might offer you a far better sense of the sensor dimensions in the E-M5 and A33.

Clearly, both of the cameras have different megapixels and different sensor sizing. The E-M5 having a smaller sensor is going to make getting shallow DOF more challenging and the Olympus E-M5 will show greater detail using its extra 2MP. Greater resolution will also help you crop images a bit more aggressively. The more recent E-M5 provides an edge with regard to sensor innovation.