Olympus E-520 vs Pentax W90

Here, we will be comparing the Olympus E-520 vs Pentax W90, one being a Entry-Level DSLR and the latter is a Waterproof by companies Olympus and Pentax. The sensor resolution of the E-520 (10MP) and the W90 (12MP) is pretty close but the E-520 (Four Thirds) and W90 (1/2.3") offer totally different sensor sizes.

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The E-520 was introduced 18 months before the W90 which makes them a generation apart from each other. Each of the cameras feature different body design with the Olympus E-520 being a Compact SLR camera and the Pentax W90 being a Compact camera.

Before we go straight to a in-depth comparison, here is a simple overview of how the E-520 scores versus the W90 in terms of portability, imaging, features and an overall rating.

Here is a preview of the gallery images for Olympus E-520 and Pentax Optio W90. The whole galleries are viewable at Olympus E-520 Gallery and Pentax W90 Gallery.

For anybody who is planning to carry your camera regularly, you'll need to take into account its weight and dimensions. The Olympus E-520 has got outside measurements of 136mm x 92mm x 68mm (5.4" x 3.6" x 2.7") with a weight of 552 grams (1.22 lbs) and the Pentax W90 has dimensions of 108mm x 59mm x 25mm (4.3" x 2.3" x 1.0") with a weight of 164 grams (0.36 lbs).

Check the Olympus E-520 vs Pentax W90 in the new Camera and Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will change depending on the lens you have attached during that time. Below is a front view sizing comparison of the E-520 versus the W90.

Using size and weight, the portability rating of the E-520 and W90 is 68 and 94 respectively.

Often, it's difficult to see the difference in sensor sizing simply by viewing specs. The graphic below should give you a far better sense of the sensor measurements in the E-520 and W90.

All in all, both of the cameras come with different resolutions and different sensor sizing. The E-520 with its bigger sensor will make achieving bokeh less difficult and the Pentax W90 will result in extra detail using its extra 2MP. Higher resolution can also enable you to crop shots a good deal more aggressively. The older E-520 will be disadvantaged when it comes to sensor innovation.