Olympus TG-2 iHS vs Sony A7R IV

Here is a thorough review of the Olympus TG-2 iHS versus Sony A7R IV, one being a Waterproof and the other is a Pro Mirrorless by rivals Olympus and Sony. There exists a significant gap between the sensor resolutions of the TG-2 iHS (12MP) and A7R IV (61MP) and the TG-2 iHS (1/2.3") and A7R IV (Full frame) posses totally different sensor measurements.

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The TG-2 iHS was manufactured 7 years before the A7R IV and that is quite a sizable gap as far as technology is concerned. Both cameras feature different body design with the Olympus TG-2 iHS being a Compact camera and the Sony A7R IV being a SLR-style mirrorless camera.

Before diving right into a complete comparison, here is a simple introduction of how the TG-2 iHS matches up vs the A7R IV in the way of portability, imaging, features and an overall rating.

Following is a sample of the gallery pictures for Olympus Tough TG-2 iHS and Sony Alpha A7R IV. The entire galleries are viewable at Olympus TG-2 iHS Gallery and Sony A7R IV Gallery.

When you are looking to carry your camera regularly, you will want to think about its weight and proportions. The Olympus TG-2 iHS has 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) and the Sony A7R IV has measurements of 129mm x 96mm x 78mm (5.1" x 3.8" x 3.1") with a weight of 665 grams (1.47 lbs).

Take a look at the Olympus TG-2 iHS versus Sony A7R IV in the latest Camera with Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will differ depending on the lens you have chosen at that moment. Underneath is a front view dimensions comparison of the TG-2 iHS vs the A7R IV.

Considering dimensions and weight, the portability grade of the TG-2 iHS and A7R IV is 91 and 62 respectively.

Quite often, it can be difficult to envision the difference between sensor sizing just by reading technical specs. The photograph below might give you a better sense of the sensor sizing in the TG-2 iHS and A7R IV.

As you can tell, the two cameras feature different resolutions and different sensor sizing. The TG-2 iHS due to its tinier sensor will make shooting shallow DOF more challenging and the Sony A7R IV will deliver more detail due to its extra 49 Megapixels. Greater resolution can also allow you to crop photos way more aggressively. The older TG-2 iHS is going to be disadvantaged with regard to sensor tech.