Ricoh CX3 vs Sigma SD15

Following is a extended comparison of the Ricoh CX3 vs Sigma SD15, one is a Small Sensor Superzoom and the latter is a Advanced DSLR by competitors Ricoh and Sigma. There is a crucial difference among the image resolutions of the CX3 (10MP) and SD15 (5MP) and the CX3 (1/2.3") and SD15 (APS-C) come with totally different sensor sizing.

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The CX3 was announced 4 months after the SD15 so they are of a similar generation. The two cameras come with different body type with the Ricoh CX3 being a Compact camera and the Sigma SD15 being a Mid-size SLR camera.

Before getting in to a detailed comparison, below is a quick summation of how the CX3 grades against the SD15 with regard to portability, imaging, features and an overall score.

Here is a preview of the gallery images for Ricoh CX3 and Sigma SD15. The whole galleries are available at Ricoh CX3 Gallery and Sigma SD15 Gallery.

For anybody who is looking to carry around your camera, you are going to need to take into account its weight and size. The Ricoh CX3 offers outside measurements of 102mm x 58mm x 29mm (4.0" x 2.3" x 1.1") accompanied by a weight of 206 grams (0.45 lbs) whilst the Sigma SD15 has specifications of 144mm x 107mm x 81mm (5.7" x 4.2" x 3.2") accompanied by a weight of 750 grams (1.65 lbs).

Contrast the Ricoh CX3 vs Sigma SD15 in the new Camera with Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will vary dependant on the lens you have attached at that moment. Here is the front view physical size comparison of the CX3 and the SD15.

Factoring in size and weight, the portability score of the CX3 and SD15 is 92 and 59 respectively.

Usually, it can be difficult to envision the difference in sensor sizes simply by viewing technical specs. The image here will provide you a more clear sense of the sensor sizing in the CX3 and SD15.

As you can tell, the two cameras posses different megapixel count and different sensor sizes. The CX3 using its smaller sensor will make achieving shallow depth of field tougher and the Ricoh CX3 will provide you with greater detail with its extra 5MP. Higher resolution will allow you to crop pictures somewhat more aggressively.