Olympus TG-820 iHS vs Sony A57

Here, we will be comparing the Olympus TG-820 iHS versus Sony A57, former being a Waterproof while the latter is a Entry-Level DSLR by companies Olympus and Sony. There exists a substantial gap between the resolutions of the TG-820 iHS (12MP) and A57 (16MP) and the TG-820 iHS (1/2.3") and A57 (APS-C) boast different sensor dimensions.

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The TG-820 iHS was brought out 7 months before the A57 so they are both of a similar age. Each of the cameras feature different body design with the Olympus TG-820 iHS being a Compact camera and the Sony A57 being a Compact SLR camera.

Before getting straight to a comprehensive comparison, here is a simple highlight of how the TG-820 iHS matches up versus the A57 in regards to portability, imaging, features and an overall rating.

Below is a preview of the gallery photos for Olympus TG-820 iHS & Sony SLT-A57. The entire galleries are available at Olympus TG-820 iHS Gallery & Sony A57 Gallery.

When you are going to carry your camera frequently, you'll have to take into account its weight and measurements. The Olympus TG-820 iHS enjoys exterior measurements of 101mm x 65mm x 26mm (4.0" x 2.6" x 1.0") having a weight of 206 grams (0.45 lbs) and the Sony A57 has proportions of 132mm x 98mm x 81mm (5.2" x 3.9" x 3.2") along with a weight of 618 grams (1.36 lbs).

Take a look at the Olympus TG-820 iHS versus Sony A57 in our newest Camera plus Lens Size Comparison Tool.

Don't forget, the weight of an ILC will differ based on the lens you are using during that time. The following is a front view dimension comparison of the TG-820 iHS against the A57.

Taking into account dimensions and weight, the portability rating of the TG-820 iHS and A57 is 92 and 64 respectively.

Typically, it's difficult to visualize the difference between sensor sizing only by reading through specs. The photograph underneath may offer you a better sense of the sensor measurements in the TG-820 iHS and A57.

All in all, the 2 cameras come with different megapixel count and different sensor sizing. The TG-820 iHS due to its tinier sensor is going to make shooting shallower DOF tougher and the Sony A57 will give more detail having its extra 4 Megapixels. Higher resolution can also help you crop pictures a good deal more aggressively. The older TG-820 iHS is going to be behind in sensor innovation.