Pentax K-S1 vs Sigma SD1 Merrill

Let's look more closely at the Pentax K-S1 versus Sigma SD1 Merrill, both Advanced DSLR digital cameras by manufacturers Pentax and Sigma. There exists a sizeable gap between the sensor resolutions of the K-S1 (20MP) and SD1 Merrill (15MP) but both cameras have the identical sensor measurements (APS-C).

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The K-S1 was revealed 2 years after the SD1 Merrill which is quite a large gap as far as technology is concerned. Both cameras feature the same body design (Mid-size SLR).

Before we go right into a in-depth comparison, here is a quick synopsis of how the K-S1 matches up vs the SD1 Merrill when it comes to portability, imaging, features and an overall mark.

Below is a sample of the gallery pics for Pentax K-S1 and Sigma SD1 Merrill. The full galleries are available at Pentax K-S1 Gallery and Sigma SD1 Merrill Gallery.

For those who are going to travel with your camera often, you'll need to consider its weight and dimensions. The Pentax K-S1 features physical measurements of 121mm x 93mm x 70mm (4.8" x 3.7" x 2.8") having a weight of 558 grams (1.23 lbs) whilst the Sigma SD1 Merrill has dimensions of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") having a weight of 790 grams (1.74 lbs).

See the Pentax K-S1 versus Sigma SD1 Merrill in the latest Camera and Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will differ based on the lens you have attached at that moment. Here is a front view dimensions comparison of the K-S1 and the SD1 Merrill.

Considering dimensions and weight, the portability grade of the K-S1 and SD1 Merrill is 69 and 57 respectively.

Typically, it is very tough to envision the contrast between sensor dimensions merely by looking at specifications. The image here may offer you a stronger sense of the sensor sizing in the K-S1 and SD1 Merrill.

To sum up, the two cameras come with the identical sensor size but not the same MP. You should expect to see the Pentax K-S1 to give you greater detail because of its extra 5 Megapixels. Greater resolution will also enable you to crop pics a good deal more aggressively. The fresher K-S1 will have an edge in sensor tech.