Panasonic GF3 vs Pentax K-S1

Here, we are evaluating the Panasonic GF3 and Pentax K-S1, former is a Entry-Level Mirrorless while the other is a Advanced DSLR by brands Panasonic and Pentax. There exists a substantial gap between the image resolutions of the GF3 (12MP) and K-S1 (20MP) and the GF3 (Four Thirds) and K-S1 (APS-C) boast totally different sensor size.

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The GF3 was launched 4 years earlier than the K-S1 which is quite a big difference as far as technology is concerned. Each of the cameras feature different body design with the Panasonic GF3 being a Rangefinder-style mirrorless camera and the Pentax K-S1 being a Mid-size SLR camera.

Before we go into a comprehensive comparison, here is a simple view of how the GF3 grades versus the K-S1 with respect to portability, imaging, features and an overall score.

Following is a sample of the gallery pics for Panasonic Lumix DMC-GF3 & Pentax K-S1. The complete galleries are provided at Panasonic GF3 Gallery & Pentax K-S1 Gallery.

In case you're aiming to carry around your camera frequently, you should think about its weight and size. The Panasonic GF3 has got outside measurements of 108mm x 67mm x 32mm (4.3" x 2.6" x 1.3") with a weight of 264 grams (0.58 lbs) and the Pentax K-S1 has specifications of 121mm x 93mm x 70mm (4.8" x 3.7" x 2.8") along with a weight of 558 grams (1.23 lbs).

Compare the Panasonic GF3 and Pentax K-S1 in our completely new Camera & Lens Size Comparison Tool.

Do not forget, the weight of an ILC will change depending on the lens you are employing at that time. Here is a front view measurement comparison of the GF3 vs the K-S1.

Factoring in dimensions and weight, the portability grade of the GF3 and K-S1 is 90 and 69 respectively.

Quite often, it is difficult to visualise the contrast between sensor sizes just by reviewing technical specs. The pic here should give you a stronger sense of the sensor measurements in the GF3 and K-S1.

As you have seen, both of the cameras come with different resolutions and different sensor sizes. The GF3 because of its tinier sensor will make getting shallow depth of field more challenging and the Pentax K-S1 will offer greater detail utilizing its extra 8MP. Greater resolution will make it easier to crop photos a good deal more aggressively. The more aged GF3 is going to be behind in sensor technology.