Panasonic GH4 vs Pentax K-S1

Here, we will be evaluating the Panasonic GH4 vs Pentax K-S1, one being a Pro Mirrorless and the latter is a Advanced DSLR by manufacturers Panasonic and Pentax. The image resolution of the GH4 (16MP) and the K-S1 (20MP) is pretty close but the GH4 (Four Thirds) and K-S1 (APS-C) posses different sensor dimensions.

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The GH4 was unveiled 6 months prior to the K-S1 and they are both of a similar generation. The two cameras feature different body design with the Panasonic GH4 being a SLR-style mirrorless camera and the Pentax K-S1 being a Mid-size SLR camera.

Before getting into a thorough comparison, here is a brief summary of how the GH4 matches up against the K-S1 in the way of portability, imaging, features and an overall rating.

Below is a preview of the gallery images for Panasonic Lumix DMC-GH4 and Pentax K-S1. The full galleries are provided at Panasonic GH4 Gallery and Pentax K-S1 Gallery.

If you are intending to carry your camera frequently, you need to factor in its weight and dimensions. The Panasonic GH4 has outer dimensions of 133mm x 93mm x 84mm (5.2" x 3.7" x 3.3") accompanied by a weight of 560 grams (1.23 lbs) and the Pentax K-S1 has dimensions of 121mm x 93mm x 70mm (4.8" x 3.7" x 2.8") and a weight of 558 grams (1.23 lbs).

See the Panasonic GH4 vs Pentax K-S1 in the latest Camera and Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will vary based on the lens you have attached at the time. The following is a front view measurement comparison of the GH4 vs the K-S1.

Taking into consideration dimensions and weight, the portability grade of the GH4 and K-S1 is 66 and 69 respectively.

More often than not, it can be difficult to imagine the difference in sensor sizing merely by researching specs. The photograph below will help provide you a better sense of the sensor sizes in the GH4 and K-S1.

As you can plainly see, both of the cameras come with different resolutions and different sensor sizing. The GH4 having a smaller sensor is going to make getting shallow depth of field more difficult and the Pentax K-S1 will result in greater detail having an extra 4MP. Higher resolution will let you crop pictures a good deal more aggressively.