Sigma SD1 Merrill vs Sony A57

Below, we are matching up the Sigma SD1 Merrill versus Sony A57, one being a Advanced DSLR and the other is a Entry-Level DSLR by manufacturers Sigma and Sony. The resolution of the SD1 Merrill (15MP) and the A57 (16MP) is very well matched and they use the exact same sensor sizing (APS-C).

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The SD1 Merrill was launched 5 months earlier than the A57 so they are both of a similar generation. The two cameras come with different body type with the Sigma SD1 Merrill being a Mid-size SLR camera and the Sony A57 being a Compact SLR camera.

Before diving in to a in depth comparison, below is a brief overview of how the SD1 Merrill matches up vs the A57 for portability, imaging, features and an overall grade.

The following is a sample of the gallery pics for Sigma SD1 Merrill and Sony SLT-A57. The complete galleries are available at Sigma SD1 Merrill Gallery and Sony A57 Gallery.

For anybody who is planning to lug around your camera regularly, you need to factor in its weight and volume. The Sigma SD1 Merrill has physical dimensions of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") along with a weight of 790 grams (1.74 lbs) whilst the Sony A57 has sizing of 132mm x 98mm x 81mm (5.2" x 3.9" x 3.2") accompanied by a weight of 618 grams (1.36 lbs).

See the Sigma SD1 Merrill versus Sony A57 in the new Camera and Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will change dependant on the lens you have at that moment. Underneath is the front view scale comparison of the SD1 Merrill vs the A57.

Taking into account dimensions and weight, the portability score of the SD1 Merrill and A57 is 57 and 64 respectively.

Typically, it is hard to picture the difference between sensor measurements purely by reading through technical specs. The visual underneath may provide you a better sense of the sensor dimensions in the SD1 Merrill and A57.

As you can tell, both of these cameras have got the exact same sensor measurements but different MP. You should expect to see the Sony A57 to resolve extra detail utilizing its extra 1MP. Greater resolution will also make it easier to crop photos much more aggressively.