Pentax XG-1 vs Sigma SD15

Here is a extensive analysis of the Pentax XG-1 versus Sigma SD15, one being a Small Sensor Superzoom and the latter is a Advanced DSLR by rivals Pentax and Sigma. There exists a crucial gap between the resolutions of the XG-1 (16MP) and SD15 (5MP) and the XG-1 (1/2.3") and SD15 (APS-C) use different sensor sizes.

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The XG-1 was manufactured 4 years later than the SD15 and that is quite a serious gap as far as technology is concerned. Both the cameras come with different body type with the Pentax XG-1 being a SLR-like (bridge) camera and the Sigma SD15 being a Mid-size SLR camera.

Before diving through a more detailed comparison, below is a quick synopsis of how the XG-1 grades against the SD15 in the way of portability, imaging, features and an overall rating.

Following is a preview of the gallery photos for Pentax XG-1 and Sigma SD15. The entire galleries are provided at Pentax XG-1 Gallery and Sigma SD15 Gallery.

In case you're looking to carry your camera regularly, you will want to factor in its weight and volume. The Pentax XG-1 has got outer dimensions of 119mm x 89mm x 98mm (4.7" x 3.5" x 3.9") and a weight of 567 grams (1.25 lbs) and the Sigma SD15 has sizing of 144mm x 107mm x 81mm (5.7" x 4.2" x 3.2") accompanied by a weight of 750 grams (1.65 lbs).

Analyze the Pentax XG-1 versus Sigma SD15 in the all new Camera with Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will differ depending on the lens you select at that moment. Below is the front view over all size comparison of the XG-1 against the SD15.

Taking into consideration dimensions and weight, the portability rating of the XG-1 and SD15 is 66 and 59 respectively.

More often than not, its difficult to visualize the gap between sensor sizing merely by reading specs. The photograph here should give you a greater sense of the sensor dimensions in the XG-1 and SD15.

All in all, the two cameras posses different megapixel count and different sensor sizing. The XG-1 due to its tinier sensor is going to make getting bokeh trickier and the Pentax XG-1 will offer greater detail due to its extra 11MP. Higher resolution will let you crop pictures somewhat more aggressively. The more modern XG-1 should have a benefit in sensor tech.