OM System OM-5 vs Sony A6100

Here, we will be looking at the OM System OM-5 vs Sony A6100, both Advanced Mirrorless cameras by brands Olympus and Sony. The sensor resolution of the OM System OM-5 (20MP) and the A6100 (24MP) is pretty close but the OM System OM-5 (Four Thirds) and A6100 (APS-C) boast totally different sensor sizes.

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The OM System OM-5 was brought out 3 years after the A6100 which is a fairly significant gap as far as camera technology is concerned. Each of the cameras feature different body design with the OM System OM-5 being a SLR-style mirrorless camera and the Sony A6100 being a Rangefinder-style mirrorless camera.

Before going straight to a in-depth comparison, here is a short summary of how the OM System OM-5 grades versus the A6100 in relation to portability, imaging, features and an overall score.

Following is a preview of the gallery images for OM System OM-5 and Sony Alpha a6100. The entire galleries are provided at OM System OM-5 Gallery and Sony A6100 Gallery.

For anybody who is looking to carry around your camera often, you need to take into account its weight and proportions. The OM System OM-5 has outside dimensions of 125mm x 85mm x 50mm (4.9" x 3.3" x 2.0") having a weight of 414 grams (0.91 lbs) whilst the Sony A6100 has measurements of 120mm x 67mm x 59mm (4.7" x 2.6" x 2.3") with a weight of 396 grams (0.87 lbs).

Analyze the OM System OM-5 vs Sony A6100 in the new Camera and Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will vary dependant on the lens you select during that time. The following is a front view measurement comparison of the OM System OM-5 versus the A6100.

Using dimensions and weight, the portability score of the OM System OM-5 and A6100 is 80 and 81 respectively.

Quite often, it is very hard to see the gap in sensor sizes just by researching technical specs. The picture below will help provide you a more clear sense of the sensor dimensions in the OM System OM-5 and A6100.

As you have seen, both the cameras feature different resolutions and different sensor sizes. The OM System OM-5 featuring a smaller sensor will make shooting shallower DOF tougher and the Sony A6100 will render more detail having its extra 4MP. Higher resolution will also enable you to crop shots way more aggressively. The more modern OM System OM-5 is going to have an advantage with regard to sensor innovation.