Pentax K-3 vs Sigma SD1

Its time to look more in depth at the Pentax K-3 and Sigma SD1, both Advanced DSLR cameras by brands Pentax and Sigma. There is a sizable difference among the sensor resolutions of the K-3 (24MP) and SD1 (15MP) but both cameras have the same sensor dimensions (APS-C).

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The K-3 was introduced 3 years after the SD1 which is a fairly significant difference as far as camera tech is concerned. Each of these cameras have the same body design (Mid-size SLR).

Before we go right into a in depth comparison, here is a brief introduction of how the K-3 scores vs the SD1 in the way of portability, imaging, features and an overall score.

The following is a sample of the gallery pics for Pentax K-3 & Sigma SD1. The whole galleries are provided at Pentax K-3 Gallery & Sigma SD1 Gallery.

When you are intending to carry around your camera, you're going to have to factor in its weight and volume. The Pentax K-3 provides outer measurements of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") accompanied by a weight of 800 grams (1.76 lbs) and the Sigma SD1 has sizing of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") accompanied by a weight of n/a grams (0.00 lbs).

Examine the Pentax K-3 and Sigma SD1 in our completely new Camera plus Lens Size Comparison Tool.

Remember that, the weight of an ILC will change depending on the lens you are utilizing at the time. Underneath is a front view measurements comparison of the K-3 versus the SD1.

Taking into consideration size and weight, the portability rating of the K-3 and SD1 is 59 and 77 respectively.

Usually, it can be hard to envision the contrast in sensor sizes just by going through specs. The picture underneath will give you a better sense of the sensor sizing in the K-3 and SD1.

All in all, each of the cameras provide the same sensor dimensions but not the same megapixels. You can expect to see the Pentax K-3 to produce extra detail using its extra 9MP. Greater resolution will enable you to crop images more aggressively. The more modern K-3 will have an edge with regard to sensor innovation.