Pentax E90 vs Sigma SD15

Below is a complete comparison of the Pentax E90 vs Sigma SD15, former being a Small Sensor Compact while the other is a Advanced DSLR by brands Pentax and Sigma. There is a noticeable difference between the sensor resolutions of the E90 (10MP) and SD15 (5MP) and the E90 (1/2.3") and SD15 (APS-C) boast different sensor size.

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The E90 was released around the same time to the SD15 and they are both of a similar age. Each of these cameras have different body design with the Pentax E90 being a Compact camera and the Sigma SD15 being a Mid-size SLR camera.

Before we go into a complete comparison, here is a concise highlight of how the E90 scores against the SD15 for portability, imaging, features and an overall grade.

The following is a sample of the gallery pictures for Pentax Optio E90 & Sigma SD15. The complete galleries are provided at Pentax E90 Gallery & Sigma SD15 Gallery.

In case you're planning to lug around your camera often, you need to consider its weight and proportions. The Pentax E90 features outer measurements of 102mm x 59mm x 25mm (4.0" x 2.3" x 1.0") along with a weight of 145 grams (0.32 lbs) whilst the Sigma SD15 has measurements of 144mm x 107mm x 81mm (5.7" x 4.2" x 3.2") accompanied by a weight of 750 grams (1.65 lbs).

Check out the Pentax E90 vs Sigma SD15 in our completely new Camera & Lens Size Comparison Tool.

Don't forget, the weight of an ILC will change dependant on the lens you choose at that moment. The following is a front view measurement comparison of the E90 compared to the SD15.

Taking into account size and weight, the portability grade of the E90 and SD15 is 94 and 59 respectively.

Generally, its difficult to visualize the gap between sensor measurements merely by reading through specifications. The photograph underneath may provide you a better sense of the sensor sizing in the E90 and SD15.

Plainly, the two cameras have different resolutions and different sensor measurements. The E90 because of its tinier sensor is going to make shooting shallower DOF tougher and the Pentax E90 will give extra detail as a result of its extra 5 Megapixels. Greater resolution will also help you crop photos a bit more aggressively.