Olympus TG-1 iHS vs Sony A7R III

Following is a comprehensive comparison of the Olympus TG-1 iHS versus Sony A7R III, former is a Waterproof while the latter is a Pro Mirrorless by manufacturers Olympus and Sony. There is a sizable difference among the image resolutions of the TG-1 iHS (12MP) and A7R III (42MP) and the TG-1 iHS (1/2.3") and A7R III (Full frame) provide different sensor sizing.

Photography Glossary

The TG-1 iHS was launched 6 years prior to the A7R III which is a fairly significant difference as far as camera tech is concerned. The two cameras feature different body design with the Olympus TG-1 iHS being a Compact camera and the Sony A7R III being a SLR-style mirrorless camera.

Before getting into a more detailed comparison, here is a quick introduction of how the TG-1 iHS matches up against the A7R III in relation to portability, imaging, features and an overall score.

The following is a preview of the gallery images for Olympus Tough TG-1 iHS & Sony Alpha A7R III. The complete galleries are provided at Olympus TG-1 iHS Gallery & Sony A7R III Gallery.

For anybody who is looking to carry around your camera often, you'll need to factor its weight and dimensions. The Olympus TG-1 iHS enjoys exterior measurements of 112mm x 67mm x 30mm (4.4" x 2.6" x 1.2") accompanied by a weight of 230 grams (0.51 lbs) while the Sony A7R III has dimensions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") along with a weight of 657 grams (1.45 lbs).

Take a look at the Olympus TG-1 iHS versus Sony A7R III in our completely new Camera plus Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will vary based on the lens you are utilizing at that time. Underneath is a front view physical size comparison of the TG-1 iHS against the A7R III.

Looking at size and weight, the portability grade of the TG-1 iHS and A7R III is 91 and 63 respectively.

Usually, it is tough to imagine the difference in sensor sizes just by looking through a spec sheet. The picture underneath will give you a far better sense of the sensor measurements in the TG-1 iHS and A7R III.

As you can see, each of these cameras feature different megapixels and different sensor sizes. The TG-1 iHS featuring a smaller sensor is going to make achieving bokeh tougher and the Sony A7R III will result in extra detail utilizing its extra 30MP. Higher resolution will also allow you to crop photographs way more aggressively. The more aged TG-1 iHS will be behind in sensor technology.