Olympus TG-310 vs Sony A7

The following is a thorough review of the Olympus TG-310 vs Sony A7, former is a Waterproof while the other is a Pro Mirrorless by rivals Olympus and Sony. There exists a noticeable gap between the resolutions of the TG-310 (14MP) and A7 (24MP) and the TG-310 (1/2.3") and A7 (Full frame) posses totally different sensor sizes.

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The TG-310 was introduced 4 years before the A7 which is quite a sizable difference as far as technology is concerned. Both of the cameras have different body design with the Olympus TG-310 being a Compact camera and the Sony A7 being a SLR-style mirrorless camera.

Before diving right into a in-depth comparison, here is a quick highlight of how the TG-310 grades versus the A7 in the way of portability, imaging, features and an overall mark.

Below is a sample of the gallery pics for Olympus TG-310 & Sony Alpha A7. The whole galleries are available at Olympus TG-310 Gallery & Sony A7 Gallery.

When you are intending to travel with your camera frequently, you are going to need to think about its weight and measurements. The Olympus TG-310 comes with physical dimensions of 96mm x 63mm x 23mm (3.8" x 2.5" x 0.9") having a weight of 155 grams (0.34 lbs) whilst the Sony A7 has proportions of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") accompanied by a weight of 474 grams (1.04 lbs).

Contrast the Olympus TG-310 vs Sony A7 in our newest Camera plus Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will change depending on the lens you use at the time. Below is a front view measurement comparison of the TG-310 vs the A7.

Taking into consideration dimensions and weight, the portability score of the TG-310 and A7 is 94 and 78 respectively.

Sometimes, it can be hard to visualise the gap between sensor dimensions purely by reading through specs. The image below may offer you a much better sense of the sensor sizes in the TG-310 and A7.

As you can plainly see, both of those cameras have different resolutions and different sensor dimensions. The TG-310 having a tinier sensor will make achieving shallow DOF more challenging and the Sony A7 will resolve more detail using its extra 10 Megapixels. Greater resolution will also let you crop pics a bit more aggressively. The more aged TG-310 is going to be behind with regard to sensor innovation.