Sigma DP3 Merrill vs Sony A900

Here, we are evaluating the Sigma DP3 Merrill versus Sony A900, former being a Large Sensor Compact while the other is a Advanced DSLR by rivals Sigma and Sony. There exists a sizable gap between the image resolutions of the DP3 Merrill (15MP) and A900 (25MP) and the DP3 Merrill (APS-C) and A900 (Full frame) posses totally different sensor sizes.

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The DP3 Merrill was released 4 years later than the A900 and that is quite a significant difference as far as technology is concerned. The two cameras feature different body design with the Sigma DP3 Merrill being a Large Sensor Compact camera and the Sony A900 being a Mid-size SLR camera.

Before going into a more detailed comparison, here is a short summary of how the DP3 Merrill grades versus the A900 in terms of portability, imaging, features and an overall rating.

Following is a sample of the gallery pictures for Sigma DP3 Merrill & Sony Alpha DSLR-A900. The complete galleries are available at Sigma DP3 Merrill Gallery & Sony A900 Gallery.

For anyone who is looking to carry your camera often, you'll need to think about its weight and volume. The Sigma DP3 Merrill offers outside measurements of 122mm x 67mm x 59mm (4.8" x 2.6" x 2.3") with a weight of 330 grams (0.73 lbs) whilst the Sony A900 has sizing of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") along with a weight of 895 grams (1.97 lbs).

Compare the Sigma DP3 Merrill versus Sony A900 in our completely new Camera plus Lens Size Comparison Tool.

Do not forget, the weight of an ILC will differ depending on the lens you are utilising during that time. Below is a front view proportions comparison of the DP3 Merrill against the A900.

Considering dimensions and weight, the portability rating of the DP3 Merrill and A900 is 83 and 54 respectively.

Sometimes, it can be difficult to visualise the contrast between sensor sizing simply by looking at a spec sheet. The graphic underneath will provide you a much better sense of the sensor sizing in the DP3 Merrill and A900.

Clearly, each of these cameras come with different megapixel count and different sensor sizing. The DP3 Merrill featuring a tinier sensor will make achieving bokeh trickier and the Sony A900 will give you greater detail as a result of its extra 10 Megapixels. Greater resolution will also help you crop images a good deal more aggressively. The more modern DP3 Merrill will have an edge when it comes to sensor innovation.