Panasonic GH5S vs Pentax K-3

On this page, we will be looking at the Panasonic GH5S versus Pentax K-3, former being a Pro Mirrorless while the latter is a Advanced DSLR by brands Panasonic and Pentax. There exists a substantial gap between the resolutions of the GH5S (10MP) and K-3 (24MP) and the GH5S (Four Thirds) and K-3 (APS-C) posses different sensor sizes.

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The GH5S was unveiled 3 years later than the K-3 and that is quite a big difference as far as technology is concerned. The two cameras have different body design with the Panasonic GH5S being a SLR-style mirrorless camera and the Pentax K-3 being a Mid-size SLR camera.

Before delving right into a detailed comparison, here is a quick synopsis of how the GH5S matches up vs the K-3 in regards to portability, imaging, features and an overall grade.

This is a preview of the gallery photos for Panasonic Lumix DC-GH5S & Pentax K-3. The full galleries are viewable at Panasonic GH5S Gallery & Pentax K-3 Gallery.

If you are looking to lug around your camera, you should factor its weight and volume. The Panasonic GH5S provides external dimensions of 139mm x 98mm x 87mm (5.5" x 3.9" x 3.4") and a weight of 660 grams (1.46 lbs) whilst the Pentax K-3 has sizing of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") having a weight of 800 grams (1.76 lbs).

Examine the Panasonic GH5S versus Pentax K-3 in our brand new Camera plus Lens Size Comparison Tool.

Remember that, the weight of an ILC will change dependant on the lens you are using at that time. Underneath is a front view overall size comparison of the GH5S against the K-3.

Taking into account dimensions and weight, the portability rating of the GH5S and K-3 is 62 and 59 respectively.

Typically, its difficult to imagine the gap between sensor measurements merely by checking specs. The visual underneath might provide you a much better sense of the sensor dimensions in the GH5S and K-3.

As you can plainly see, each of these cameras have different resolutions and different sensor measurements. The GH5S using its tinier sensor is going to make achieving shallower depth of field more difficult and the Pentax K-3 will give you extra detail having an extra 14MP. Higher resolution will help you crop photographs a bit more aggressively. The more modern GH5S should have an edge with regard to sensor innovation.