Olympus TG-860 vs Sony A7c

Here is a extended review of the Olympus TG-860 and Sony A7c, former being a Waterproof while the other is a Advanced Mirrorless by competitors Olympus and Sony. There exists a noticeable gap among the sensor resolutions of the TG-860 (16MP) and A7c (24MP) and the TG-860 (1/2.3") and A7c (Full frame) offer totally different sensor measurements.

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The TG-860 was announced 6 years before the A7c and that is a fairly sizable difference as far as camera technology is concerned. Each of these cameras have different body design with the Olympus TG-860 being a Ultracompact camera and the Sony A7c being a Rangefinder-style mirrorless camera.

Before going right into a comprehensive comparison, here is a short summation of how the TG-860 matches up versus the A7c with respect to portability, imaging, features and an overall rating.

This is a sample of the gallery pictures for Olympus Stylus Tough TG-860 & Sony Alpha A7c. The whole galleries are available at Olympus TG-860 Gallery & Sony A7c Gallery.

For anybody who is aiming to carry your camera frequently, you are going to need to factor in its weight and dimensions. The Olympus TG-860 features outer measurements of 110mm x 64mm x 28mm (4.3" x 2.5" x 1.1") having a weight of 224 grams (0.49 lbs) and the Sony A7c has dimensions of 124mm x 71mm x 60mm (4.9" x 2.8" x 2.4") with a weight of 509 grams (1.12 lbs).

Compare the Olympus TG-860 and Sony A7c in our brand new Camera & Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will vary depending on the lens you have during that time. Below is a front view scale comparison of the TG-860 and the A7c.

Factoring in dimensions and weight, the portability rating of the TG-860 and A7c is 91 and 78 respectively.

More often than not, its hard to visualise the difference in sensor sizing simply by seeing a spec sheet. The visual here might provide you a better sense of the sensor sizing in the TG-860 and A7c.

Clearly, both cameras provide different resolutions and different sensor sizing. The TG-860 using its smaller sensor will make achieving bokeh tougher and the Sony A7c will provide extra detail with its extra 8 Megapixels. Greater resolution will enable you to crop pics more aggressively. The older TG-860 will be disadvantaged in sensor technology.