Canon SX70 HS vs Sigma SD1

Here, we are looking at the Canon SX70 HS and Sigma SD1, one being a Small Sensor Superzoom and the other is a Advanced DSLR by competitors Canon and Sigma. There is a sizeable difference between the resolutions of the SX70 HS (20MP) and SD1 (15MP) and the SX70 HS (1/2.3") and SD1 (APS-C) boast totally different sensor size.

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The SX70 HS was launched 8 years later than the SD1 and that is quite a large gap as far as tech is concerned. The two cameras feature different body design with the Canon SX70 HS being a SLR-like (bridge) camera and the Sigma SD1 being a Mid-size SLR camera.

Before getting right into a full comparison, here is a quick synopsis of how the SX70 HS scores against the SD1 in relation to portability, imaging, features and an overall rating.

The following is a sample of the gallery pictures for Canon PowerShot SX70 HS and Sigma SD1. The complete galleries are viewable at Canon SX70 HS Gallery and Sigma SD1 Gallery.

If you are going to carry your camera frequently, you should factor its weight and proportions. The Canon SX70 HS provides outer measurements of 127mm x 91mm x 117mm (5.0" x 3.6" x 4.6") having a weight of 608 grams (1.34 lbs) while the Sigma SD1 has measurements of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") and a weight of n/a grams (0.00 lbs).

Examine the Canon SX70 HS and Sigma SD1 in the latest Camera with Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will vary depending on the lens you use at that time. Below is a front view proportions comparison of the SX70 HS versus the SD1.

Factoring in size and weight, the portability score of the SX70 HS and SD1 is 63 and 77 respectively.

In many cases, it is hard to envision the contrast between sensor sizing merely by reading through a spec sheet. The graphic below might offer you a clearer sense of the sensor measurements in the SX70 HS and SD1.

Clearly, each of these cameras come with different megapixels and different sensor sizing. The SX70 HS featuring a tinier sensor will make shooting shallower depth of field tougher and the Canon SX70 HS will give you greater detail utilizing its extra 5 Megapixels. Greater resolution can also let you crop photos a good deal more aggressively. The more recent SX70 HS is going to have an advantage in sensor technology.