Panasonic GH1 vs Pentax H90

The following is a in-depth comparison of the Panasonic GH1 and Pentax H90, one is a Advanced Mirrorless and the latter is a Small Sensor Compact by competitors Panasonic and Pentax. The sensor resolution of the GH1 (12MP) and the H90 (12MP) is relatively similar but the GH1 (Four Thirds) and H90 (1/2.3") use totally different sensor dimensions.

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The GH1 was announced 6 months earlier than the H90 so they are of a similar generation. Each of the cameras come with different body type with the Panasonic GH1 being a SLR-style mirrorless camera and the Pentax H90 being a Compact camera.

Before we go straight into a thorough comparison, below is a quick overview of how the GH1 grades vs the H90 when it comes to portability, imaging, features and an overall mark.

Following is a preview of the gallery photos for Panasonic Lumix DMC-GH1 and Pentax Optio H90. The whole galleries are available at Panasonic GH1 Gallery and Pentax H90 Gallery.

When you are going to travel with your camera regularly, you'll need to think about its weight and volume. The Panasonic GH1 features exterior dimensions of 124mm x 90mm x 45mm (4.9" x 3.5" x 1.8") having a weight of 385 grams (0.85 lbs) whilst the Pentax H90 has sizing of 101mm x 65mm x 28mm (4.0" x 2.6" x 1.1") along with a weight of 153 grams (0.34 lbs).

Take a look at the Panasonic GH1 and Pentax H90 in the new Camera with Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will vary based on the lens you use at the time. Following is the front view overall size comparison of the GH1 versus the H90.

Taking into account size and weight, the portability rating of the GH1 and H90 is 81 and 93 respectively.

In many cases, it's hard to envision the gap between sensor dimensions simply by going over a spec sheet. The picture here might offer you a better sense of the sensor dimensions in the GH1 and H90.

As you can see, both of those cameras have got the exact same resolution albeit not the same sensor dimensions. The GH1 includes the bigger sensor which should make obtaining shallow depth of field less difficult.