Pentax WG-2 vs Sony A77 II

Let's look a bit more in depth at the Pentax WG-2 and Sony A77 II, one is a Waterproof and the latter is a Advanced DSLR by brands Pentax and Sony. There exists a sizeable gap among the sensor resolutions of the WG-2 (16MP) and A77 II (24MP) and the WG-2 (1/2.3") and A77 II (APS-C) posses different sensor dimensions.

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The WG-2 was unveiled 3 years before the A77 II which is a fairly large gap as far as camera technology is concerned. Each of these cameras feature different body design with the Pentax WG-2 being a Compact camera and the Sony A77 II being a Mid-size SLR camera.

Before going straight to a more detailed comparison, here is a concise summary of how the WG-2 matches up versus the A77 II in relation to portability, imaging, features and an overall score.

This is a preview of the gallery photos for Pentax Optio WG-2 and Sony SLT-A77 II. The full galleries are provided at Pentax WG-2 Gallery and Sony A77 II Gallery.

In case you're planning to carry around your camera often, you are going to need to think about its weight and proportions. The Pentax WG-2 offers outside measurements of 122mm x 61mm x 30mm (4.8" x 2.4" x 1.2") having a weight of 192 grams (0.42 lbs) while the Sony A77 II has measurements of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") having a weight of 647 grams (1.43 lbs).

Contrast the Pentax WG-2 and Sony A77 II in the new Camera with Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will change depending on the lens you choose during that time. Below is a front view measurement comparison of the WG-2 compared to the A77 II.

Factoring in dimensions and weight, the portability rating of the WG-2 and A77 II is 91 and 62 respectively.

Typically, it is difficult to picture the difference in sensor sizes only by checking out specs. The image here should give you a clearer sense of the sensor sizing in the WG-2 and A77 II.

As you can plainly see, both of the cameras feature different resolutions and different sensor sizes. The WG-2 using its smaller sensor is going to make achieving shallower DOF tougher and the Sony A77 II will provide more detail having an extra 8MP. Higher resolution can also enable you to crop pictures way more aggressively. The more aged WG-2 will be disadvantaged in sensor innovation.