Pentax Efina vs Sony A57

Lets look more closely at the Pentax Efina and Sony A57, one is a Ultracompact and the other is a Entry-Level DSLR by brands Pentax and Sony. The resolution of the Efina (14MP) and the A57 (16MP) is very comparable but the Efina (1/2.3") and A57 (APS-C) possess different sensor sizes.

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The Efina was introduced 9 months after the A57 and they are of a similar generation. The two cameras offer different body type with the Pentax Efina being a Ultracompact camera and the Sony A57 being a Compact SLR camera.

Before delving in to a comprehensive comparison, below is a quick synopsis of how the Efina grades vs the A57 with respect to portability, imaging, features and an overall score.

Below is a sample of the gallery pics for Pentax Efina and Sony SLT-A57. The whole galleries are available at Pentax Efina Gallery and Sony A57 Gallery.

For those who are planning to carry around your camera frequently, you will need to think about its weight and size. The Pentax Efina provides exterior dimensions of 87mm x 54mm x 21mm (3.4" x 2.1" x 0.8") and a weight of 91 grams (0.20 lbs) whilst the Sony A57 has specifications of 132mm x 98mm x 81mm (5.2" x 3.9" x 3.2") along with a weight of 618 grams (1.36 lbs).

Look at the Pentax Efina and Sony A57 in the all new Camera and Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will differ depending on the lens you have during that time. Below is the front view measurement comparison of the Efina vs the A57.

Taking into consideration size and weight, the portability rating of the Efina and A57 is 97 and 64 respectively.

Generally, it is very tough to imagine the difference in sensor sizes only by going through specifications. The pic below might provide you a better sense of the sensor dimensions in the Efina and A57.

To sum up, both of the cameras offer different megapixels and different sensor sizes. The Efina having a smaller sensor is going to make getting bokeh more challenging and the Sony A57 will show extra detail using its extra 2 Megapixels. Greater resolution will make it easier to crop pics a little more aggressively. The more recent Efina provides an advantage when it comes to sensor tech.