Sigma SD15 vs Sony G3

Its time to look a bit more closely at the Sigma SD15 versus Sony G3, former is a Advanced DSLR while the latter is a Small Sensor Compact by companies Sigma and Sony. There is a considerable difference between the image resolutions of the SD15 (5MP) and G3 (10MP) and the SD15 (APS-C) and G3 (1/2.3") offer totally different sensor dimensions.

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The SD15 was introduced 14 months after the G3 which makes them a generation away from each other. Both of these cameras have different body design with the Sigma SD15 being a Mid-size SLR camera and the Sony G3 being a Compact camera.

Before going right into a in depth comparison, here is a concise summation of how the SD15 matches up vs the G3 in the way of portability, imaging, features and an overall mark.

The following is a preview of the gallery images for Sigma SD15 & Sony Cyber-shot DSC-G3. The whole galleries are provided at Sigma SD15 Gallery & Sony G3 Gallery.

For anybody who is planning to travel with your camera, you should take into account its weight and proportions. The Sigma SD15 has external measurements of 144mm x 107mm x 81mm (5.7" x 4.2" x 3.2") having a weight of 750 grams (1.65 lbs) whilst the Sony G3 has measurements of 97mm x 59mm x 22mm (3.8" x 2.3" x 0.9") accompanied by a weight of 185 grams (0.41 lbs).

Contrast the Sigma SD15 versus Sony G3 in our completely new Camera plus Lens Size Comparison Tool.

Don't forget, the weight of an ILC will change dependant on the lens you are working with at the time. The following is a front view physical size comparison of the SD15 compared to the G3.

Considering size and weight, the portability rating of the SD15 and G3 is 59 and 94 respectively.

Oftentimes, it's tough to envision the contrast between sensor dimensions only by going over specs. The image below will help give you a better sense of the sensor measurements in the SD15 and G3.

As you can plainly see, both of the cameras have different megapixel count and different sensor dimensions. The SD15 using its bigger sensor will make achieving shallow DOF less difficult and the Sony G3 will deliver more detail using its extra 5MP. Higher resolution can also let you crop photographs a bit more aggressively. The fresher SD15 will have an advantage when it comes to sensor technology.