Sigma SD1 vs Sony A57

Here is a extensive assessment of the Sigma SD1 vs Sony A57, one being a Advanced DSLR and the other is a Entry-Level DSLR by manufacturers Sigma and Sony. The image resolution of the SD1 (15MP) and the A57 (16MP) is very similar and both cameras boast the identical sensor measurements (APS-C).

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The SD1 was announced 24 months earlier than the A57 making them a generation apart from one another. Both of these cameras feature different body design with the Sigma SD1 being a Mid-size SLR camera and the Sony A57 being a Compact SLR camera.

Before delving right into a complete comparison, here is a simple summation of how the SD1 matches up versus the A57 in terms of portability, imaging, features and an overall rating.

This is a sample of the gallery pics for Sigma SD1 and Sony SLT-A57. The whole galleries are viewable at Sigma SD1 Gallery and Sony A57 Gallery.

For those who are looking to carry your camera, you should factor its weight and measurements. The Sigma SD1 comes with physical measurements of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") with a weight of n/a grams (0.00 lbs) while the Sony A57 has proportions of 132mm x 98mm x 81mm (5.2" x 3.9" x 3.2") having a weight of 618 grams (1.36 lbs).

Examine the Sigma SD1 vs Sony A57 in the all new Camera and Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will vary dependant on the lens you are utilising during that time. Here is a front view sizing comparison of the SD1 vs the A57.

Considering dimensions and weight, the portability rating of the SD1 and A57 is 77 and 64 respectively.

Quite often, it can be tough to picture the gap between sensor sizing purely by reviewing specifications. The photograph below may offer you a far better sense of the sensor sizing in the SD1 and A57.

To sum up, both of these cameras feature the identical sensor size but different MP. You should expect to see the Sony A57 to offer you greater detail with its extra 1MP. Greater resolution will also help you crop pics way more aggressively. The older SD1 is going to be disadvantaged when it comes to sensor technology.