Panasonic GF1 vs Pentax K-S1

In this article, we are looking at the Panasonic GF1 versus Pentax K-S1, one is a Entry-Level Mirrorless and the other is a Advanced DSLR by manufacturers Panasonic and Pentax. There exists a big gap among the image resolutions of the GF1 (12MP) and K-S1 (20MP) and the GF1 (Four Thirds) and K-S1 (APS-C) feature totally different sensor dimensions.

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The GF1 was manufactured 5 years prior to the K-S1 which is a fairly big gap as far as camera technology is concerned. Both the cameras offer different body type with the Panasonic GF1 being a Rangefinder-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 introduction of how the GF1 matches up against the K-S1 in the way of portability, imaging, features and an overall mark.

The following is a sample of the gallery pics for Panasonic Lumix DMC-GF1 and Pentax K-S1. The entire galleries are available at Panasonic GF1 Gallery and Pentax K-S1 Gallery.

For those who are going to travel with your camera, you have to factor in its weight and volume. The Panasonic GF1 enjoys exterior dimensions of 119mm x 71mm x 36mm (4.7" x 2.8" x 1.4") and a weight of 385 grams (0.85 lbs) and the Pentax K-S1 has sizing of 121mm x 93mm x 70mm (4.8" x 3.7" x 2.8") and a weight of 558 grams (1.23 lbs).

Compare the Panasonic GF1 versus Pentax K-S1 in the all new Camera with Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will vary dependant on the lens you have attached at that moment. Below is the front view physical size comparison of the GF1 compared to the K-S1.

Looking at dimensions and weight, the portability grade of the GF1 and K-S1 is 85 and 69 respectively.

Normally, it is tough to see the contrast in sensor dimensions purely by going through specifications. The image here might offer you a far better sense of the sensor dimensions in the GF1 and K-S1.

Plainly, the two cameras offer different resolutions and different sensor dimensions. The GF1 featuring a smaller sensor will make getting shallower DOF more difficult and the Pentax K-S1 will provide greater detail due to its extra 8 Megapixels. Greater resolution will allow you to crop images a little more aggressively. The more aged GF1 will be disadvantaged when it comes to sensor technology.