Panasonic G1 vs Pentax K100D S

Lets look more closely at the Panasonic G1 versus Pentax K100D S, one is a Entry-Level Mirrorless and the other is a Entry-Level DSLR by brands Panasonic and Pentax. There is a crucial difference between the resolutions of the G1 (12MP) and K100D S (6MP) and the G1 (Four Thirds) and K100D S (APS-C) posses totally different sensor size.

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The G1 was unveiled 20 months after the K100D S making them a generation away from each other. The two cameras have different body design with the Panasonic G1 being a SLR-style mirrorless camera and the Pentax K100D S being a Compact SLR camera.

Before diving right into a full comparison, here is a concise view of how the G1 scores vs the K100D S with regard to portability, imaging, features and an overall score.

The following is a sample of the gallery pics for Panasonic Lumix DMC-G1 and Pentax K100D Super. The full galleries are provided at Panasonic G1 Gallery and Pentax K100D S Gallery.

If you are going to carry around your camera regularly, you will need to take into account its weight and size. The Panasonic G1 provides external measurements of 124mm x 84mm x 45mm (4.9" x 3.3" x 1.8") with a weight of 360 grams (0.79 lbs) and the Pentax K100D S has specifications of 129mm x 91mm x 71mm (5.1" x 3.6" x 2.8") having a weight of 646 grams (1.42 lbs).

Contrast the Panasonic G1 versus Pentax K100D S in the new Camera with Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will differ based on the lens you are utilising at the time. Underneath is a front view over all size comparison of the G1 against the K100D S.

Taking into consideration size and weight, the portability rating of the G1 and K100D S is 82 and 65 respectively.

Usually, it is very difficult to visualise the gap between sensor sizes just by checking a spec sheet. The picture here should provide you a clearer sense of the sensor measurements in the G1 and K100D S.

As you can see, the two cameras provide different megapixels and different sensor sizes. The G1 with its tinier sensor will make achieving shallower DOF more challenging and the Panasonic G1 will give greater detail having an extra 6 Megapixels. Greater resolution will make it easier to crop images more aggressively. The newer G1 is going to have an advantage in sensor tech.