Sigma SD1 Merrill vs Sony TX55

Lets examine more in depth at the Sigma SD1 Merrill versus Sony TX55, former being a Advanced DSLR while the latter is a Ultracompact by rivals Sigma and Sony. The sensor resolution of the SD1 Merrill (15MP) and the TX55 (16MP) is pretty comparable but the SD1 Merrill (APS-C) and TX55 (1/2.3") possess totally different sensor measurements.

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The SD1 Merrill was launched 9 months later than the TX55 which means that they are both of a similar age. Each of these cameras come with different body type with the Sigma SD1 Merrill being a Mid-size SLR camera and the Sony TX55 being a Ultracompact camera.

Before getting in to a in depth comparison, below is a simple summation of how the SD1 Merrill scores vs the TX55 with regards to portability, imaging, features and an overall rating.

Below is a preview of the gallery images for Sigma SD1 Merrill & Sony Cyber-shot DSC-TX55. The complete galleries are provided at Sigma SD1 Merrill Gallery & Sony TX55 Gallery.

For anyone who is going to carry your camera often, you will have to factor in its weight and volume. The Sigma SD1 Merrill has got exterior dimensions of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") accompanied by a weight of 790 grams (1.74 lbs) whilst the Sony TX55 has sizing of 93mm x 54mm x 13mm (3.7" x 2.1" x 0.5") and a weight of 109 grams (0.24 lbs).

Compare the Sigma SD1 Merrill versus Sony TX55 in our brand new Camera & Lens Size Comparison Tool.

Remember, the weight of an ILC will change depending on the lens you choose at that time. Below is the front view dimensions comparison of the SD1 Merrill versus the TX55.

Factoring in dimensions and weight, the portability grade of the SD1 Merrill and TX55 is 57 and 97 respectively.

More often than not, it can be difficult to visualise the difference in sensor sizing just by seeing specifications. The visual underneath might provide you a stronger sense of the sensor dimensions in the SD1 Merrill and TX55.

Plainly, the two cameras have got different megapixels and different sensor sizing. The SD1 Merrill because of its bigger sensor will make shooting shallower DOF easier and the Sony TX55 will show extra detail utilizing its extra 1MP. Higher resolution will also allow you to crop photographs much more aggressively. The more modern SD1 Merrill is going to have an edge when it comes to sensor tech.