Pentax K-S1 vs Sony A99 II

Here, we will be comparing the Pentax K-S1 vs Sony A99 II, both Advanced DSLR cameras by rivals Pentax and Sony. There is a crucial difference among the resolutions of the K-S1 (20MP) and A99 II (42MP) and the K-S1 (APS-C) and A99 II (Full frame) boast different sensor sizing.

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The K-S1 was brought out 3 years earlier than the A99 II which is a fairly serious gap as far as camera tech is concerned. Both the cameras feature the same body design (Mid-size SLR).

Before diving right into a step-by-step comparison, here is a brief view of how the K-S1 grades against the A99 II in the way of portability, imaging, features and an overall mark.

Here is a preview of the gallery photos for Pentax K-S1 and Sony Alpha A99 II. The entire galleries are provided at Pentax K-S1 Gallery and Sony A99 II Gallery.

For anybody who is looking to travel with your camera often, you need to factor its weight and proportions. The Pentax K-S1 comes with external dimensions of 121mm x 93mm x 70mm (4.8" x 3.7" x 2.8") accompanied by a weight of 558 grams (1.23 lbs) whilst the Sony A99 II has measurements of 143mm x 104mm x 76mm (5.6" x 4.1" x 3.0") and a weight of 849 grams (1.87 lbs).

Analyze the Pentax K-S1 vs Sony A99 II in the latest Camera and Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will differ dependant on the lens you have attached at the time. Following is a front view physical size comparison of the K-S1 versus the A99 II.

Looking at size and weight, the portability rating of the K-S1 and A99 II is 69 and 57 respectively.

Often, it can be hard to imagine the difference in sensor dimensions just by seeing technical specs. The image underneath might provide you a stronger sense of the sensor sizes in the K-S1 and A99 II.

As you can tell, each of these cameras come with different megapixel count and different sensor dimensions. The K-S1 due to its smaller sensor is going to make shooting shallower DOF harder and the Sony A99 II will show more detail having its extra 22 Megapixels. Higher resolution will allow you to crop shots a good deal more aggressively. The more aged K-S1 will be behind with regard to sensor tech.