Panasonic GH1 vs Pentax K-3

Let's look a bit more in depth at the Panasonic GH1 vs Pentax K-3, one is a Advanced Mirrorless and the latter is a Advanced DSLR by brands Panasonic and Pentax. There is a significant difference among the resolutions of the GH1 (12MP) and K-3 (24MP) and the GH1 (Four Thirds) and K-3 (APS-C) use totally different sensor size.

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The GH1 was manufactured 5 years earlier than the K-3 which is a fairly sizable gap as far as camera tech is concerned. Both of these cameras come with different body type with the Panasonic GH1 being a SLR-style mirrorless camera and the Pentax K-3 being a Mid-size SLR camera.

Before delving straight into a comprehensive comparison, below is a short summary of how the GH1 matches up against the K-3 in the way of portability, imaging, features and an overall score.

Below is a preview of the gallery photos for Panasonic Lumix DMC-GH1 and Pentax K-3. The entire galleries are provided at Panasonic GH1 Gallery and Pentax K-3 Gallery.

For anyone who is aiming to carry around your camera frequently, you are going to need to factor its weight and dimensions. The Panasonic GH1 has got external dimensions of 124mm x 90mm x 45mm (4.9" x 3.5" x 1.8") with a weight of 385 grams (0.85 lbs) whilst the Pentax K-3 has dimensions of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") having a weight of 800 grams (1.76 lbs).

Analyze the Panasonic GH1 vs Pentax K-3 in the new Camera and Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will change based on the lens you have at that moment. Following is the front view measurement comparison of the GH1 vs the K-3.

Taking into account size and weight, the portability grade of the GH1 and K-3 is 81 and 59 respectively.

Often, its difficult to see the difference in sensor sizes just by viewing specs. The pic here will offer you a clearer sense of the sensor sizes in the GH1 and K-3.

All in all, each of these cameras have got different megapixel count and different sensor sizes. The GH1 due to its smaller sensor will make shooting shallow depth of field more difficult and the Pentax K-3 will result in extra detail due to its extra 12 Megapixels. Higher resolution can also allow you to crop pictures much more aggressively. The more aged GH1 will be behind in sensor tech.