Olympus TG-820 iHS vs Sony A77 II

Let's look closer at the Olympus TG-820 iHS and Sony A77 II, former being a Waterproof while the latter is a Advanced DSLR by competitors Olympus and Sony. There is a large difference among the image resolutions of the TG-820 iHS (12MP) and A77 II (24MP) and the TG-820 iHS (1/2.3") and A77 II (APS-C) boast different sensor sizes.

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The TG-820 iHS was announced 3 years prior to the A77 II and that is a fairly serious difference as far as camera tech is concerned. Both the cameras have different body design with the Olympus TG-820 iHS being a Compact camera and the Sony A77 II being a Mid-size SLR camera.

Before getting straight to a detailed comparison, here is a quick summary of how the TG-820 iHS scores versus the A77 II when considering portability, imaging, features and an overall grade.

The following is a preview of the gallery images for Olympus TG-820 iHS & Sony SLT-A77 II. The whole galleries are available at Olympus TG-820 iHS Gallery & Sony A77 II Gallery.

For anybody who is going to lug around your camera, you're going to have to factor its weight and size. The Olympus TG-820 iHS has physical dimensions of 101mm x 65mm x 26mm (4.0" x 2.6" x 1.0") having a weight of 206 grams (0.45 lbs) whilst the Sony A77 II has specifications of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") having a weight of 647 grams (1.43 lbs).

Take a look at the Olympus TG-820 iHS and Sony A77 II in our brand new Camera plus Lens Size Comparison Tool.

Remember that, the weight of an ILC will differ based on the lens you are using at that moment. Below is a front view sizing comparison of the TG-820 iHS and the A77 II.

Using size and weight, the portability grade of the TG-820 iHS and A77 II is 92 and 62 respectively.

In many cases, it is difficult to imagine the difference in sensor measurements merely by checking out specs. The graphic underneath might offer you a better sense of the sensor sizes in the TG-820 iHS and A77 II.

All in all, both of these cameras provide different megapixels and different sensor measurements. The TG-820 iHS having a smaller sensor is going to make shooting bokeh harder and the Sony A77 II will produce greater detail with its extra 12 Megapixels. Higher resolution will also enable you to crop pictures more aggressively. The older TG-820 iHS will be behind with regard to sensor technology.