Olympus TG-4 vs Sony A7S

On this page, we are comparing the Olympus TG-4 vs Sony A7S, former is a Waterproof while the other is a Pro Mirrorless by companies Olympus and Sony. There exists a considerable gap among the image resolutions of the TG-4 (16MP) and A7S (12MP) and the TG-4 (1/2.3") and A7S (Full frame) have different sensor size.

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The TG-4 was manufactured 13 months after the A7S making them a generation away from one another. Each of these cameras have different body design with the Olympus TG-4 being a Compact camera and the Sony A7S being a SLR-style mirrorless camera.

Before diving into a detailed comparison, here is a brief introduction of how the TG-4 matches up against the A7S when it comes to portability, imaging, features and an overall mark.

Below is a sample of the gallery pictures for Olympus Tough TG-4 & Sony Alpha A7S. The entire galleries are viewable at Olympus TG-4 Gallery & Sony A7S Gallery.

For those who are going to travel with your camera, you have to take into account its weight and measurements. The Olympus TG-4 features physical measurements of 112mm x 66mm x 31mm (4.4" x 2.6" x 1.2") with a weight of 247 grams (0.54 lbs) and the Sony A7S has proportions of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") accompanied by a weight of 489 grams (1.08 lbs).

Check out the Olympus TG-4 vs Sony A7S in our completely new Camera & Lens Size Comparison Tool.

Do not forget, the weight of an ILC will differ dependant on the lens you select at that moment. Following is a front view size comparison of the TG-4 vs the A7S.

Taking into account dimensions and weight, the portability grade of the TG-4 and A7S is 90 and 77 respectively.

More often than not, it can be hard to imagine the gap in sensor dimensions only by researching a spec sheet. The picture below will help provide you a stronger sense of the sensor measurements in the TG-4 and A7S.

As you can see, both cameras provide different megapixels and different sensor dimensions. The TG-4 due to its smaller sensor is going to make getting shallower DOF trickier and the Olympus TG-4 will provide you with greater detail due to its extra 4 Megapixels. Greater resolution can also allow you to crop photos more aggressively. The more modern TG-4 provides an edge when it comes to sensor tech.