Sigma SD15 vs Sony QX30

The following is a in-depth assessment of the Sigma SD15 versus Sony QX30, one is a Advanced DSLR and the latter is a Lens-style by competitors Sigma and Sony. There exists a big gap among the resolutions of the SD15 (5MP) and QX30 (20MP) and the SD15 (APS-C) and QX30 (1/2.3") come with totally different sensor dimensions.

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The SD15 was announced 5 years before the QX30 which is a fairly big gap as far as camera technology is concerned. Each of the cameras come with different body type with the Sigma SD15 being a Mid-size SLR camera and the Sony QX30 being a Lens-style camera.

Before delving in to a comprehensive comparison, below is a simple highlight of how the SD15 matches up against the QX30 when it comes to portability, imaging, features and an overall mark.

The following is a preview of the gallery images for Sigma SD15 and Sony Cyber-shot DSC-QX30. The whole galleries are available at Sigma SD15 Gallery and Sony QX30 Gallery.

If you are looking to travel with your camera often, you will want to take into account its weight and dimensions. The Sigma SD15 has exterior measurements of 144mm x 107mm x 81mm (5.7" x 4.2" x 3.2") and a weight of 750 grams (1.65 lbs) while the Sony QX30 has dimensions of 68mm x 65mm x 58mm (2.7" x 2.6" x 2.3") with a weight of 193 grams (0.43 lbs).

Check the Sigma SD15 versus Sony QX30 in the all new Camera with Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will vary depending on the lens you are employing at the time. Here is the front view dimensions comparison of the SD15 against the QX30.

Taking into account dimensions and weight, the portability rating of the SD15 and QX30 is 59 and 91 respectively.

Typically, it is very difficult to visualise the contrast in sensor dimensions simply by researching technical specs. The image below might provide you a much better sense of the sensor measurements in the SD15 and QX30.

As you have seen, the 2 cameras have got different megapixels and different sensor dimensions. The SD15 with its bigger sensor will make getting shallower depth of field easier and the Sony QX30 will render more detail with its extra 15MP. Higher resolution will let you crop shots much more aggressively. The more aged SD15 will be behind when it comes to sensor technology.