Olympus TG-860 vs Sony A7

Let's look more in depth at the Olympus TG-860 versus Sony A7, former being a Waterproof while the latter is a Pro Mirrorless by competitors Olympus and Sony. There is a noticeable difference among the sensor resolutions of the TG-860 (16MP) and A7 (24MP) and the TG-860 (1/2.3") and A7 (Full frame) have totally different sensor sizing.

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The TG-860 was announced 13 months later than the A7 which makes them a generation apart from each other. Both cameras have different body design with the Olympus TG-860 being a Ultracompact camera and the Sony A7 being a SLR-style mirrorless camera.

Before diving straight to a complete comparison, here is a short synopsis of how the TG-860 matches up vs the A7 with regard to portability, imaging, features and an overall rating.

This is a preview of the gallery photos for Olympus Stylus Tough TG-860 & Sony Alpha A7. The whole galleries are viewable at Olympus TG-860 Gallery & Sony A7 Gallery.

For anybody who is looking to carry your camera often, you have to think about its weight and volume. The Olympus TG-860 comes with outside measurements of 110mm x 64mm x 28mm (4.3" x 2.5" x 1.1") with a weight of 224 grams (0.49 lbs) while the Sony A7 has sizing of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") with a weight of 474 grams (1.04 lbs).

Check the Olympus TG-860 versus Sony A7 in our newest Camera plus Lens Size Comparison Tool.

Take into account, the weight of an ILC will vary based on the lens you have attached at that moment. Here is a front view overall size comparison of the TG-860 versus the A7.

Considering size and weight, the portability rating of the TG-860 and A7 is 91 and 78 respectively.

Often, it is tough to envision the gap in sensor sizing only by looking through technical specs. The graphic here may provide you a clearer sense of the sensor sizing in the TG-860 and A7.

As you have seen, both the cameras provide different megapixel count and different sensor sizing. The TG-860 using its smaller sensor will make getting shallower DOF more challenging and the Sony A7 will result in more detail with its extra 8 Megapixels. Higher resolution will also let you crop photographs more aggressively. The more recent TG-860 is going to have an edge when it comes to sensor technology.