Pentax K-7 vs Pentax S1

Its time to look more closely at the Pentax K-7 and Pentax S1, former is a Advanced DSLR while the other is a Small Sensor Compact and both are sold by Pentax. The image resolution of the K-7 (15MP) and the S1 (14MP) is very well matched but the K-7 (APS-C) and S1 (1/2.3") offer totally different sensor measurements.

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The K-7 was unveiled 17 months prior to the S1 making them a generation away from one another. Both the cameras feature different body design with the Pentax K-7 being a Mid-size SLR camera and the Pentax S1 being a Compact camera.

Before going into a full comparison, here is a simple overview of how the K-7 matches up versus the S1 with regard to portability, imaging, features and an overall mark.

Here is a sample of the gallery pics for Pentax K-7 & Pentax Optio S1. The full galleries are available at Pentax K-7 Gallery & Pentax S1 Gallery.

If you're looking to travel with your camera regularly, you're going to have to think about its weight and proportions. The Pentax K-7 has got outside dimensions of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") having a weight of 750 grams (1.65 lbs) and the Pentax S1 has measurements of 114mm x 58mm x 28mm (4.5" x 2.3" x 1.1") having a weight of 157 grams (0.35 lbs).

Look at the Pentax K-7 and Pentax S1 in our brand new Camera & Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will change dependant on the lens you are using at the time. Following is a front view overall size comparison of the K-7 compared to the S1.

Considering dimensions and weight, the portability score of the K-7 and S1 is 60 and 93 respectively.

Quite often, its tough to see the contrast between sensor dimensions just by looking at specs. The picture below will help offer you a better sense of the sensor sizes in the K-7 and S1.

All in all, the 2 cameras feature different megapixel count and different sensor dimensions. The K-7 having a larger sensor will make achieving bokeh easier and the Pentax K-7 will give more detail having an extra 1MP. Greater resolution will also make it easier to crop images way more aggressively. The more aged K-7 is going to be behind with regard to sensor tech.