Olympus TG-850 iHS vs Sony A7 III

Let's look much closer at the Olympus TG-850 iHS and Sony A7 III, former being a Waterproof while the other is a Pro Mirrorless by brands Olympus and Sony. There exists a substantial gap between the resolutions of the TG-850 iHS (16MP) and A7 III (24MP) and the TG-850 iHS (1/2.3") and A7 III (Full frame) provide different sensor size.

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The TG-850 iHS was unveiled 5 years earlier than the A7 III and that is quite a big difference as far as technology is concerned. Each of the cameras have different body design with the Olympus TG-850 iHS being a Compact camera and the Sony A7 III being a SLR-style mirrorless camera.

Before delving right into a in depth comparison, here is a short synopsis of how the TG-850 iHS matches up against the A7 III in relation to portability, imaging, features and an overall rating.

This is a sample of the gallery pics for Olympus Stylus Tough TG-850 iHS & Sony Alpha A7 III. The full galleries are available at Olympus TG-850 iHS Gallery & Sony A7 III Gallery.

If you are aiming to carry your camera frequently, you will need to factor its weight and size. The Olympus TG-850 iHS enjoys physical dimensions of 110mm x 64mm x 28mm (4.3" x 2.5" x 1.1") accompanied by a weight of 218 grams (0.48 lbs) while the Sony A7 III has specifications of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") and a weight of 650 grams (1.43 lbs).

Look at the Olympus TG-850 iHS and Sony A7 III in our completely new Camera plus Lens Size Comparison Tool.

Remember that, the weight of an ILC will vary depending on the lens you have chosen during that time. Below is a front view proportions comparison of the TG-850 iHS versus the A7 III.

Considering dimensions and weight, the portability grade of the TG-850 iHS and A7 III is 91 and 63 respectively.

More often than not, it is difficult to imagine the difference between sensor sizing just by going over a spec sheet. The graphic here will help give you a greater sense of the sensor sizes in the TG-850 iHS and A7 III.

As you can see, each of the cameras provide different resolutions and different sensor sizing. The TG-850 iHS using its tinier sensor is going to make getting shallow DOF tougher and the Sony A7 III will offer you more detail having an extra 8 Megapixels. Greater resolution will help you crop pics more aggressively. The older TG-850 iHS is going to be behind with regard to sensor innovation.