Sigma SD1 Merrill vs Sony A900

Lets examine more in depth at the Sigma SD1 Merrill and Sony A900, both Advanced DSLR cameras by companies Sigma and Sony. There is a sizeable difference among the sensor resolutions of the SD1 Merrill (15MP) and A900 (25MP) and the SD1 Merrill (APS-C) and A900 (Full frame) feature different sensor sizes.

Photography Glossary

The SD1 Merrill was introduced 3 years after the A900 which is a fairly large gap as far as camera tech is concerned. Each of the cameras come with the identical body type (Mid-size SLR).

Before diving through a full comparison, below is a brief view of how the SD1 Merrill matches up against the A900 with regards to portability, imaging, features and an overall mark.

Here is a sample of the gallery pictures for Sigma SD1 Merrill and Sony Alpha DSLR-A900. The whole galleries are viewable at Sigma SD1 Merrill Gallery and Sony A900 Gallery.

If you're intending to travel with your camera often, you will need to consider its weight and measurements. The Sigma SD1 Merrill comes with exterior measurements of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") accompanied by a weight of 790 grams (1.74 lbs) and the Sony A900 has proportions of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") with a weight of 895 grams (1.97 lbs).

See the Sigma SD1 Merrill and Sony A900 in the latest Camera and Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will differ dependant on the lens you have at that time. Underneath is the front view measurement comparison of the SD1 Merrill compared to the A900.

Taking into consideration size and weight, the portability score of the SD1 Merrill and A900 is 57 and 54 respectively.

Oftentimes, its hard to picture the gap in sensor dimensions just by checking out specs. The picture below should provide you a clearer sense of the sensor sizing in the SD1 Merrill and A900.

All in all, both of these cameras have got different resolutions and different sensor dimensions. The SD1 Merrill having a smaller sensor is going to make achieving bokeh tougher and the Sony A900 will show greater detail using its extra 10 Megapixels. Greater resolution will also help you crop images much more aggressively. The newer SD1 Merrill provides an edge with regard to sensor innovation.