Olympus TG-2 iHS vs Sony A7S III

Lets take a more detailed look at the Olympus TG-2 iHS versus Sony A7S III, one is a Waterproof and the other is a Pro Mirrorless by manufacturers Olympus and Sony. The sensor resolution of the TG-2 iHS (12MP) and the A7S III (12MP) is very similar but the TG-2 iHS (1/2.3") and A7S III (Full frame) offer different sensor dimensions.

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The TG-2 iHS was released 8 years earlier than the A7S III which is quite a sizable gap as far as tech is concerned. Both of the cameras have different body design with the Olympus TG-2 iHS being a Compact camera and the Sony A7S III being a SLR-style mirrorless camera.

Before we go into a in depth comparison, here is a simple highlight of how the TG-2 iHS grades versus the A7S III with regards to portability, imaging, features and an overall score.

Following is a sample of the gallery pics for Olympus Tough TG-2 iHS and Sony Alpha A7S III. The complete galleries are viewable at Olympus TG-2 iHS Gallery and Sony A7S III Gallery.

For anybody who is looking to carry around your camera regularly, you will have to take into account its weight and dimensions. The Olympus TG-2 iHS enjoys outside measurements of 111mm x 67mm x 29mm (4.4" x 2.6" x 1.1") along with a weight of 230 grams (0.51 lbs) while the Sony A7S III has dimensions of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") and a weight of 699 grams (1.54 lbs).

Compare the Olympus TG-2 iHS versus Sony A7S III in the latest Camera and Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will vary based on the lens you have during that time. Following is a front view proportions comparison of the TG-2 iHS versus the A7S III.

Using size and weight, the portability rating of the TG-2 iHS and A7S III is 91 and 61 respectively.

Usually, its tough to visualize the difference between sensor sizes purely by going over technical specs. The picture underneath might give you a better sense of the sensor measurements in the TG-2 iHS and A7S III.

As you have seen, both of these cameras provide the same MP but different sensor sizes. The TG-2 iHS has the tinier sensor which should make getting shallower DOF trickier. The more aged TG-2 iHS is going to be behind when it comes to sensor technology.