Olympus E-620 vs Pentax E90

Here is a complete overview of the Olympus E-620 and Pentax E90, one being a Entry-Level DSLR and the latter is a Small Sensor Compact by rivals Olympus and Pentax. The image resolution of the E-620 (12MP) and the E90 (10MP) is relatively similar but the E-620 (Four Thirds) and E90 (1/2.3") use different sensor measurements.

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The E-620 was released 6 months before the E90 and they are both of a similar generation. Each of these cameras offer different body type with the Olympus E-620 being a Compact SLR camera and the Pentax E90 being a Compact camera.

Before getting in to a full comparison, below is a brief view of how the E-620 grades vs the E90 with respect to portability, imaging, features and an overall rating.

Here is a preview of the gallery photos for Olympus E-620 and Pentax Optio E90. The complete galleries are viewable at Olympus E-620 Gallery and Pentax E90 Gallery.

If you're looking to carry your camera frequently, you will have to factor in its weight and proportions. The Olympus E-620 has outside measurements of 130mm x 94mm x 60mm (5.1" x 3.7" x 2.4") with a weight of 500 grams (1.10 lbs) while the Pentax E90 has measurements of 102mm x 59mm x 25mm (4.0" x 2.3" x 1.0") with a weight of 145 grams (0.32 lbs).

Take a look at the Olympus E-620 and Pentax E90 in the all new Camera with Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will change dependant on the lens you are working with at that time. Following is the front view overall size comparison of the E-620 compared to the E90.

Taking into consideration size and weight, the portability rating of the E-620 and E90 is 71 and 94 respectively.

In many cases, its hard to imagine the difference between sensor sizing simply by reading technical specs. The visual here will help give you a far better sense of the sensor sizing in the E-620 and E90.

As you can tell, the two cameras enjoy different resolutions and different sensor sizing. The E-620 featuring a bigger sensor is going to make achieving shallower DOF simpler and the Olympus E-620 will offer extra detail as a result of its extra 2MP. Higher resolution will also enable you to crop pictures far more aggressively.