Olympus TG-820 iHS vs Sony A77

Here is a extensive review of the Olympus TG-820 iHS versus Sony A77, former being a Waterproof while the latter is a Advanced DSLR by brands Olympus and Sony. There exists a noticeable gap between the sensor resolutions of the TG-820 iHS (12MP) and A77 (24MP) and the TG-820 iHS (1/2.3") and A77 (APS-C) posses different sensor measurements.

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The TG-820 iHS was announced 4 months later than the A77 which means that they are both of a similar age. Both the cameras have different body design with the Olympus TG-820 iHS being a Compact camera and the Sony A77 being a Mid-size SLR camera.

Before going into a thorough comparison, here is a concise synopsis of how the TG-820 iHS matches up vs the A77 with regard to portability, imaging, features and an overall rating.

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

For those who are intending to carry your camera often, you will need to think about its weight and proportions. The Olympus TG-820 iHS provides outside dimensions of 101mm x 65mm x 26mm (4.0" x 2.6" x 1.0") with a weight of 206 grams (0.45 lbs) whilst the Sony A77 has measurements of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") along with a weight of 732 grams (1.61 lbs).

Check the Olympus TG-820 iHS versus Sony A77 in our newest Camera & Lens Size Comparison Tool.

Don't forget, the weight of an ILC will vary depending on the lens you have attached at that moment. Below is a front view measurements comparison of the TG-820 iHS against the A77.

Considering dimensions and weight, the portability grade of the TG-820 iHS and A77 is 92 and 59 respectively.

Normally, its difficult to imagine the gap between sensor sizing simply by reviewing specifications. The visual below will help offer you a much better sense of the sensor dimensions in the TG-820 iHS and A77.

To sum up, the two cameras have different megapixel count and different sensor sizing. The TG-820 iHS having a tinier sensor is going to make shooting shallow DOF harder and the Sony A77 will offer you more detail with its extra 12MP. Higher resolution will also allow you to crop pictures a bit more aggressively.