Panasonic G9 vs Pentax K-S1

Below is a comprehensive assessment of the Panasonic G9 versus Pentax K-S1, one being a Pro Mirrorless and the latter is a Advanced DSLR by rivals Panasonic and Pentax. The image resolution of the G9 (20MP) and the K-S1 (20MP) is pretty close but the G9 (Four Thirds) and K-S1 (APS-C) feature different sensor sizes.

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The G9 was announced 3 years later than the K-S1 and that is a fairly serious gap as far as camera technology is concerned. The two cameras come with different body type with the Panasonic G9 being a SLR-style mirrorless camera and the Pentax K-S1 being a Mid-size SLR camera.

Before delving straight into a detailed comparison, below is a quick view of how the G9 matches up vs the K-S1 with respect to portability, imaging, features and an overall grade.

Here is a preview of the gallery images for Panasonic Lumix DC-G9 and Pentax K-S1. The whole galleries are viewable at Panasonic G9 Gallery and Pentax K-S1 Gallery.

When you are intending to lug around your camera frequently, you'll need to think about its weight and measurements. The Panasonic G9 enjoys external measurements of 137mm x 97mm x 92mm (5.4" x 3.8" x 3.6") with a weight of 658 grams (1.45 lbs) while the Pentax K-S1 has proportions of 121mm x 93mm x 70mm (4.8" x 3.7" x 2.8") accompanied by a weight of 558 grams (1.23 lbs).

See the Panasonic G9 versus Pentax K-S1 in the new Camera and Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will vary dependant on the lens you use at that time. Following is the front view dimensions comparison of the G9 and the K-S1.

Using dimensions and weight, the portability score of the G9 and K-S1 is 62 and 69 respectively.

Sometimes, it can be tough to picture the contrast in sensor measurements merely by looking through specifications. The visual below might give you a far better sense of the sensor sizing in the G9 and K-S1.

To sum up, both the cameras have got the exact same megapixel count albeit different sensor measurements. The G9 offers the smaller sensor which is going to make getting shallow DOF more difficult. The younger G9 provides a benefit when it comes to sensor tech.