Panasonic GH2 vs Pentax K-S1

Lets look more closely at the Panasonic GH2 vs Pentax K-S1, former is a Advanced Mirrorless while the latter is a Advanced DSLR by companies Panasonic and Pentax. The image resolution of the GH2 (16MP) and the K-S1 (20MP) is pretty comparable but the GH2 (Four Thirds) and K-S1 (APS-C) offer totally different sensor dimensions.

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The GH2 was manufactured 4 years earlier than the K-S1 which is a fairly significant difference as far as camera technology is concerned. Each of the cameras have different body design with the Panasonic GH2 being a SLR-style mirrorless camera and the Pentax K-S1 being a Mid-size SLR camera.

Before going straight to a step-by-step comparison, here is a brief highlight of how the GH2 grades against the K-S1 in the way of portability, imaging, features and an overall mark.

Here is a preview of the gallery images for Panasonic Lumix DMC-GH2 & Pentax K-S1. The entire galleries are viewable at Panasonic GH2 Gallery & Pentax K-S1 Gallery.

If you are intending to travel with your camera regularly, you're going to have to take into account its weight and size. The Panasonic GH2 enjoys outside dimensions of 124mm x 90mm x 76mm (4.9" x 3.5" x 3.0") accompanied by a weight of 442 grams (0.97 lbs) whilst the Pentax K-S1 has specifications of 121mm x 93mm x 70mm (4.8" x 3.7" x 2.8") and a weight of 558 grams (1.23 lbs).

Check the Panasonic GH2 vs Pentax K-S1 in our brand new Camera & Lens Size Comparison Tool.

Don't forget, the weight of an ILC will differ based on the lens you have attached at the time. The following is a front view overall size comparison of the GH2 versus the K-S1.

Taking into consideration dimensions and weight, the portability score of the GH2 and K-S1 is 70 and 69 respectively.

Typically, its difficult to visualise the gap in sensor dimensions only by seeing technical specs. The picture here will help give you a better sense of the sensor sizes in the GH2 and K-S1.

As you have seen, both the cameras provide different megapixel count and different sensor dimensions. The GH2 featuring a smaller sensor will make getting shallower depth of field more challenging and the Pentax K-S1 will produce greater detail due to its extra 4MP. Higher resolution can also enable you to crop shots more aggressively. The more aged GH2 will be behind when it comes to sensor tech.