Sigma SD14 vs Sony A57

Here is a in depth overview of the Sigma SD14 and Sony A57, one being a Advanced DSLR and the other is a Entry-Level DSLR by competitors Sigma and Sony. There exists a big gap among the sensor resolutions of the SD14 (5MP) and A57 (16MP) but they use the exact same sensor sizes (APS-C).

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The SD14 was announced 7 years earlier than the A57 and that is a fairly big gap as far as camera technology is concerned. The two cameras come with different body type with the Sigma SD14 being a Mid-size SLR camera and the Sony A57 being a Compact SLR camera.

Before going straight into a in depth comparison, below is a short view of how the SD14 scores versus the A57 with respect to portability, imaging, features and an overall rating.

Here is a sample of the gallery pictures for Sigma SD14 and Sony SLT-A57. The whole galleries are viewable at Sigma SD14 Gallery and Sony A57 Gallery.

When you are going to carry your camera frequently, you'll need to factor its weight and proportions. The Sigma SD14 has got outside measurements of 144mm x 107mm x 81mm (5.7" x 4.2" x 3.2") accompanied by a weight of 750 grams (1.65 lbs) while the Sony A57 has measurements of 132mm x 98mm x 81mm (5.2" x 3.9" x 3.2") having a weight of 618 grams (1.36 lbs).

Check the Sigma SD14 and Sony A57 in the new Camera and Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will change depending on the lens you have chosen during that time. Underneath is the front view measurement comparison of the SD14 vs the A57.

Taking into account dimensions and weight, the portability score of the SD14 and A57 is 59 and 64 respectively.

Typically, it's hard to see the contrast in sensor sizing simply by going through specifications. The graphic below will provide you a greater sense of the sensor sizing in the SD14 and A57.

Plainly, both of these cameras have got the exact same sensor measurements but not the same megapixels. You should anticipate the Sony A57 to provide greater detail with its extra 11MP. Greater resolution will also enable you to crop photos much more aggressively. The older SD14 will be disadvantaged when it comes to sensor innovation.