Sigma SD1 Merrill vs Sony TX66

The following is a extended assessment of the Sigma SD1 Merrill vs Sony TX66, one is a Advanced DSLR and the latter is a Ultracompact by brands Sigma and Sony. The resolution of the SD1 Merrill (15MP) and the TX66 (18MP) is pretty well matched but the SD1 Merrill (APS-C) and TX66 (1/2.3") possess totally different sensor measurements.

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The SD1 Merrill was released 2 months after the TX66 which means that they are of a similar generation. Each of the cameras come with different body type with the Sigma SD1 Merrill being a Mid-size SLR camera and the Sony TX66 being a Ultracompact camera.

Before diving in to a more detailed comparison, below is a short summary of how the SD1 Merrill grades versus the TX66 when it comes to portability, imaging, features and an overall mark.

The following is a preview of the gallery images for Sigma SD1 Merrill and Sony Cyber-shot DSC-TX66. The complete galleries are available at Sigma SD1 Merrill Gallery and Sony TX66 Gallery.

For those who are planning to travel with your camera regularly, you'll have to take into account its weight and volume. The Sigma SD1 Merrill enjoys outside measurements of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") with a weight of 790 grams (1.74 lbs) whilst the Sony TX66 has sizing of 93mm x 54mm x 13mm (3.7" x 2.1" x 0.5") with a weight of 109 grams (0.24 lbs).

Take a look at the Sigma SD1 Merrill vs Sony TX66 in the all new Camera with Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will change depending on the lens you are employing at that moment. Here is the front view dimensions comparison of the SD1 Merrill against the TX66.

Factoring in size and weight, the portability rating of the SD1 Merrill and TX66 is 57 and 97 respectively.

Oftentimes, it is difficult to visualise the gap between sensor dimensions simply by checking a spec sheet. The image here may give you a much better sense of the sensor measurements in the SD1 Merrill and TX66.

As you can see, both the cameras posses different megapixels and different sensor dimensions. The SD1 Merrill due to its bigger sensor will make getting shallower depth of field easier and the Sony TX66 will give you extra detail as a result of its extra 3 Megapixels. Higher resolution will enable you to crop photographs somewhat more aggressively.