Panasonic GH1 vs Pentax K-S1

In this write-up, we will be looking at the Panasonic GH1 vs Pentax K-S1, former being a Advanced Mirrorless while the latter is a Advanced DSLR by brands Panasonic and Pentax. There exists a noticeable gap between the image resolutions of the GH1 (12MP) and K-S1 (20MP) and the GH1 (Four Thirds) and K-S1 (APS-C) come with different sensor size.

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The GH1 was introduced 6 years earlier than the K-S1 and that is quite a sizable difference as far as technology is concerned. The two cameras offer different body type with the Panasonic GH1 being a SLR-style mirrorless camera and the Pentax K-S1 being a Mid-size SLR camera.

Before we go straight into a thorough comparison, below is a brief introduction of how the GH1 matches up versus the K-S1 for portability, imaging, features and an overall grade.

Following is a preview of the gallery photos for Panasonic Lumix DMC-GH1 & Pentax K-S1. The whole galleries are available at Panasonic GH1 Gallery & Pentax K-S1 Gallery.

For those who are intending to lug around your camera, you need to factor its weight and measurements. The Panasonic GH1 offers physical dimensions of 124mm x 90mm x 45mm (4.9" x 3.5" x 1.8") along with a weight of 385 grams (0.85 lbs) whilst the Pentax K-S1 has proportions of 121mm x 93mm x 70mm (4.8" x 3.7" x 2.8") having a weight of 558 grams (1.23 lbs).

Analyze the Panasonic GH1 vs Pentax K-S1 in our completely new Camera plus Lens Size Comparison Tool.

Do not forget, the weight of an ILC will vary depending on the lens you are utilizing at the time. Here is the front view proportions comparison of the GH1 versus the K-S1.

Factoring in dimensions and weight, the portability score of the GH1 and K-S1 is 81 and 69 respectively.

Sometimes, it is tough to imagine the contrast between sensor measurements purely by reading specs. The graphic below will help provide you a stronger sense of the sensor dimensions in the GH1 and K-S1.

As you can plainly see, both the cameras offer different resolutions and different sensor measurements. The GH1 with its tinier sensor is going to make shooting shallower depth of field tougher and the Pentax K-S1 will deliver more detail using its extra 8MP. Higher resolution will also let you crop pictures a little more aggressively. The older GH1 is going to be behind when it comes to sensor innovation.