Canon SX120 IS vs Sigma DP1s

The following is a extended comparison of the Canon SX120 IS and Sigma DP1s, one is a Small Sensor Compact and the other is a Large Sensor Compact by brands Canon and Sigma. There is a big difference between the image resolutions of the SX120 IS (10MP) and DP1s (5MP) and the SX120 IS (1/2.5") and DP1s (APS-C) have totally different sensor sizes.

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The SX120 IS was announced about the same time to the DP1s and they are of a similar generation. Both cameras feature different body design with the Canon SX120 IS being a Compact camera and the Sigma DP1s being a Large Sensor Compact camera.

Before delving into a thorough comparison, here is a brief highlight of how the SX120 IS grades against the DP1s in the way of portability, imaging, features and an overall mark.

The following is a sample of the gallery pictures for Canon PowerShot SX120 IS and Sigma DP1s. The whole galleries are viewable at Canon SX120 IS Gallery and Sigma DP1s Gallery.

For anyone who is aiming to travel with your camera regularly, you will need to take into account its weight and proportions. The Canon SX120 IS has exterior measurements of 111mm x 71mm x 45mm (4.4" x 2.8" x 1.8") accompanied by a weight of 285 grams (0.63 lbs) while the Sigma DP1s has measurements of 109mm x 60mm x 31mm (4.3" x 2.4" x 1.2") having a weight of 270 grams (0.60 lbs).

Check the Canon SX120 IS and Sigma DP1s in the latest Camera with Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will change based on the lens you are employing at that moment. The following is a front view dimension comparison of the SX120 IS compared to the DP1s.

Considering size and weight, the portability rating of the SX120 IS and DP1s is 87 and 90 respectively.

In many cases, it's tough to see the gap between sensor dimensions purely by checking a spec sheet. The image underneath may offer you a much better sense of the sensor measurements in the SX120 IS and DP1s.

As you can see, each of the cameras come with different megapixel count and different sensor dimensions. The SX120 IS having a tinier sensor will make getting shallow depth of field more difficult and the Canon SX120 IS will give extra detail with its extra 5MP. Greater resolution can also enable you to crop photos a good deal more aggressively.