Olympus E-510 vs Pentax W90

Here is a comprehensive assessment of the Olympus E-510 vs Pentax W90, former being a Advanced DSLR while the latter is a Waterproof by companies Olympus and Pentax. The image resolution of the E-510 (10MP) and the W90 (12MP) is relatively close but the E-510 (Four Thirds) and W90 (1/2.3") have different sensor measurements.

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The E-510 was released 3 years before the W90 and that is a fairly big difference as far as camera tech is concerned. Both of these cameras feature different body design with the Olympus E-510 being a Mid-size SLR camera and the Pentax W90 being a Compact camera.

Before diving into a thorough comparison, here is a quick highlight of how the E-510 grades versus the W90 with regards to portability, imaging, features and an overall rating.

This is a preview of the gallery photos for Olympus E-510 & Pentax Optio W90. The complete galleries are viewable at Olympus E-510 Gallery & Pentax W90 Gallery.

For anyone who is intending to carry your camera frequently, you'll need to factor in its weight and proportions. The Olympus E-510 offers external dimensions of 136mm x 92mm x 68mm (5.4" x 3.6" x 2.7") accompanied by a weight of 490 grams (1.08 lbs) while the Pentax W90 has measurements of 108mm x 59mm x 25mm (4.3" x 2.3" x 1.0") with a weight of 164 grams (0.36 lbs).

See the Olympus E-510 vs Pentax W90 in our brand new Camera plus Lens Size Comparison Tool.

Remember, the weight of an ILC will vary depending on the lens you are utilizing during that time. Here is a front view size comparison of the E-510 vs the W90.

Using size and weight, the portability score of the E-510 and W90 is 69 and 94 respectively.

Oftentimes, it can be hard to imagine the gap in sensor sizing just by looking through specifications. The visual here will help provide you a far better sense of the sensor sizes in the E-510 and W90.

To sum up, the two cameras feature different megapixel count and different sensor sizing. The E-510 featuring a bigger sensor is going to make getting bokeh easier and the Pentax W90 will render greater detail as a result of its extra 2 Megapixels. Higher resolution can also allow you to crop photographs way more aggressively. The older E-510 will be disadvantaged with regard to sensor technology.