Olympus E-420 vs Pentax E90

Let's look more closely at the Olympus E-420 and Pentax E90, one is a Entry-Level DSLR and the other is a Small Sensor Compact by brands Olympus and Pentax. The image resolution of the E-420 (10MP) and the E90 (10MP) is fairly well matched but the E-420 (Four Thirds) and E90 (1/2.3") provide different sensor sizing.

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The E-420 was manufactured 19 months before the E90 making them a generation away from each other. Both of these cameras have different body design with the Olympus E-420 being a Compact SLR camera and the Pentax E90 being a Compact camera.

Before getting straight to a comprehensive comparison, here is a concise highlight of how the E-420 grades versus the E90 in regards to portability, imaging, features and an overall mark.

Following is a sample of the gallery pictures for Olympus E-420 and Pentax Optio E90. The entire galleries are viewable at Olympus E-420 Gallery and Pentax E90 Gallery.

When you are going to travel with your camera, you need to factor its weight and proportions. The Olympus E-420 has outer measurements of 130mm x 91mm x 53mm (5.1" x 3.6" x 2.1") with a weight of 426 grams (0.94 lbs) whilst the Pentax E90 has measurements of 102mm x 59mm x 25mm (4.0" x 2.3" x 1.0") and a weight of 145 grams (0.32 lbs).

Contrast the Olympus E-420 and Pentax E90 in the latest Camera with Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will differ dependant on the lens you select during that time. The following is a front view dimensions comparison of the E-420 and the E90.

Considering size and weight, the portability score of the E-420 and E90 is 77 and 94 respectively.

Often, it is very difficult to picture the gap between sensor dimensions just by looking at specifications. The picture underneath may provide you a stronger sense of the sensor sizing in the E-420 and E90.

To sum up, both cameras provide the same resolution but different sensor dimensions. The E-420 contains the larger sensor which will make achieving shallow DOF easier. The more aged E-420 is going to be behind in sensor technology.