Sigma SD1 Merrill vs Sony W620

The following is a complete assessment of the Sigma SD1 Merrill vs Sony W620, one is a Advanced DSLR and the other is a Small Sensor Compact by rivals Sigma and Sony. The resolution of the SD1 Merrill (15MP) and the W620 (14MP) is very well matched but the SD1 Merrill (APS-C) and W620 (1/2.3") possess different sensor measurements.

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The SD1 Merrill was manufactured 4 months after the W620 and they are of a similar generation. Each of these cameras come with different body type with the Sigma SD1 Merrill being a Mid-size SLR camera and the Sony W620 being a Compact camera.

Before going through a full comparison, below is a short summary of how the SD1 Merrill scores against the W620 with regards to portability, imaging, features and an overall mark.

Here is a sample of the gallery pics for Sigma SD1 Merrill and Sony Cyber-shot DSC-W620. The entire galleries are available at Sigma SD1 Merrill Gallery and Sony W620 Gallery.

For anyone who is planning to travel with your camera often, you need to consider its weight and size. The Sigma SD1 Merrill offers exterior measurements of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") and a weight of 790 grams (1.74 lbs) whilst the Sony W620 has specifications of 98mm x 56mm x 20mm (3.9" x 2.2" x 0.8") and a weight of 116 grams (0.26 lbs).

Look at the Sigma SD1 Merrill vs Sony W620 in the latest Camera and Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will differ based on the lens you are utilizing at that time. Underneath is the front view dimension comparison of the SD1 Merrill and the W620.

Factoring in dimensions and weight, the portability grade of the SD1 Merrill and W620 is 57 and 96 respectively.

Normally, it can be difficult to imagine the gap between sensor dimensions purely by looking at specifications. The image below should give you a much better sense of the sensor sizing in the SD1 Merrill and W620.

To sum up, both cameras have got different megapixel count and different sensor dimensions. The SD1 Merrill featuring a larger sensor is going to make getting shallower DOF easier and the Sigma SD1 Merrill will give you more detail due to its extra 1MP. Greater resolution will allow you to crop pics much more aggressively.