Olympus TG-4 vs Sony A77

Here is a extended assessment of the Olympus TG-4 and Sony A77, former being a Waterproof while the latter is a Advanced DSLR by brands Olympus and Sony. There is a substantial difference among the image resolutions of the TG-4 (16MP) and A77 (24MP) and the TG-4 (1/2.3") and A77 (APS-C) feature totally different sensor sizes.

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The TG-4 was unveiled 3 years later than the A77 and that is a fairly big difference as far as camera tech is concerned. Both the cameras come with different body type with the Olympus TG-4 being a Compact camera and the Sony A77 being a Mid-size SLR camera.

Before delving in to a full comparison, below is a quick summation of how the TG-4 matches up against the A77 in the way of portability, imaging, features and an overall rating.

Following is a preview of the gallery photos for Olympus Tough TG-4 & Sony SLT-A77. The full galleries are provided at Olympus TG-4 Gallery & Sony A77 Gallery.

If you are aiming to carry your camera, you will need to think about its weight and measurements. The Olympus TG-4 features physical measurements of 112mm x 66mm x 31mm (4.4" x 2.6" x 1.2") along with a weight of 247 grams (0.54 lbs) whilst the Sony A77 has proportions of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") and a weight of 732 grams (1.61 lbs).

Examine the Olympus TG-4 and Sony A77 in our brand new Camera & Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will vary depending on the lens you are utilising at that moment. Here is the front view sizing comparison of the TG-4 and the A77.

Taking into consideration size and weight, the portability score of the TG-4 and A77 is 90 and 59 respectively.

Usually, it can be tough to visualise the gap in sensor sizing purely by checking out technical specs. The visual below should give you a better sense of the sensor sizing in the TG-4 and A77.

As you have seen, both of these cameras have got different megapixel count and different sensor sizing. The TG-4 using its smaller sensor will make shooting shallow depth of field more challenging and the Sony A77 will produce greater detail having an extra 8 Megapixels. Higher resolution will make it easier to crop photographs much more aggressively. The fresher TG-4 will have an edge with regard to sensor tech.