Sigma DP3 Merrill vs Sony A450

Here is a in depth overview of the Sigma DP3 Merrill and Sony A450, one being a Large Sensor Compact and the latter is a Entry-Level DSLR by manufacturers Sigma and Sony. The sensor resolution of the DP3 Merrill (15MP) and the A450 (14MP) is pretty close and both cameras offer the same sensor sizes (APS-C).

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The DP3 Merrill was brought out 3 years later than the A450 and that is a fairly large gap as far as camera tech is concerned. Both the cameras have different body design with the Sigma DP3 Merrill being a Large Sensor Compact camera and the Sony A450 being a Compact SLR camera.

Before delving into a in-depth comparison, here is a quick view of how the DP3 Merrill scores vs the A450 in relation to portability, imaging, features and an overall rating.

The following is a preview of the gallery images for Sigma DP3 Merrill and Sony Alpha DSLR-A450. The entire galleries are available at Sigma DP3 Merrill Gallery and Sony A450 Gallery.

For anyone who is intending to carry your camera, you should factor its weight and measurements. The Sigma DP3 Merrill features external measurements of 122mm x 67mm x 59mm (4.8" x 2.6" x 2.3") accompanied by a weight of 330 grams (0.73 lbs) whilst the Sony A450 has proportions of 137mm x 104mm x 81mm (5.4" x 4.1" x 3.2") accompanied by a weight of 560 grams (1.23 lbs).

Contrast the Sigma DP3 Merrill and Sony A450 in the all new Camera with Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will differ dependant on the lens you select at that time. Here is a front view overall size comparison of the DP3 Merrill against the A450.

Looking at size and weight, the portability rating of the DP3 Merrill and A450 is 83 and 65 respectively.

Generally, it's hard to envision the difference in sensor sizing purely by viewing specs. The photograph below should give you a stronger sense of the sensor sizing in the DP3 Merrill and A450.

As you can plainly see, both cameras provide the same sensor dimensions albeit not the same MP. You should expect the Sigma DP3 Merrill to result in extra detail having its extra 1MP. Higher resolution will enable you to crop pictures more aggressively. The younger DP3 Merrill will have a benefit with regard to sensor tech.