Pentax WG-10 vs Sony A57

Below is a thorough analysis of the Pentax WG-10 versus Sony A57, one being a Waterproof and the other is a Entry-Level DSLR by companies Pentax and Sony. The image resolution of the WG-10 (14MP) and the A57 (16MP) is very close but the WG-10 (1/2.3") and A57 (APS-C) possess totally different sensor measurements.

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The WG-10 was manufactured 10 months later than the A57 and they are both of a similar generation. Each of these cameras come with different body type with the Pentax WG-10 being a Compact camera and the Sony A57 being a Compact SLR camera.

Before diving in to a in depth comparison, below is a concise summation of how the WG-10 matches up vs the A57 in the way of portability, imaging, features and an overall grade.

Following is a sample of the gallery pics for Pentax WG-10 and Sony SLT-A57. The entire galleries are available at Pentax WG-10 Gallery and Sony A57 Gallery.

If you're intending to lug around your camera regularly, you are going to need to consider its weight and dimensions. The Pentax WG-10 offers external dimensions of 116mm x 59mm x 29mm (4.6" x 2.3" x 1.1") having a weight of 167 grams (0.37 lbs) and the Sony A57 has dimensions of 132mm x 98mm x 81mm (5.2" x 3.9" x 3.2") along with a weight of 618 grams (1.36 lbs).

See the Pentax WG-10 versus Sony A57 in the all new Camera with Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will vary depending on the lens you have at that moment. Here is the front view sizing comparison of the WG-10 against the A57.

Using size and weight, the portability grade of the WG-10 and A57 is 93 and 64 respectively.

Usually, it's tough to envision the contrast in sensor measurements purely by researching specs. The graphic here might offer you a stronger sense of the sensor sizes in the WG-10 and A57.

All in all, both of the cameras have got different resolutions and different sensor measurements. The WG-10 due to its smaller sensor will make achieving shallower depth of field more difficult and the Sony A57 will provide you with extra detail due to its extra 2MP. Greater resolution will also allow you to crop photos much more aggressively. The more modern WG-10 is going to have an advantage when it comes to sensor innovation.