Pentax W90 vs Sony A500

Here is a complete review of the Pentax W90 vs Sony A500, former being a Waterproof while the latter is a Entry-Level DSLR by rivals Pentax and Sony. The image resolution of the W90 (12MP) and the A500 (12MP) is relatively well matched but the W90 (1/2.3") and A500 (APS-C) have different sensor size.

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The W90 was launched 7 months later than the A500 and they are both of a similar age. Both the cameras have different body design with the Pentax W90 being a Compact camera and the Sony A500 being a Compact SLR camera.

Before getting into a in-depth comparison, here is a brief view of how the W90 scores versus the A500 with regard to portability, imaging, features and an overall rating.

Following is a preview of the gallery photos for Pentax Optio W90 & Sony Alpha DSLR-A500. The complete galleries are viewable at Pentax W90 Gallery & Sony A500 Gallery.

In case you're intending to carry your camera often, you will need to take into account its weight and size. The Pentax W90 comes with outer measurements of 108mm x 59mm x 25mm (4.3" x 2.3" x 1.0") accompanied by a weight of 164 grams (0.36 lbs) and the Sony A500 has specifications of 137mm x 104mm x 84mm (5.4" x 4.1" x 3.3") along with a weight of 630 grams (1.39 lbs).

Look at the Pentax W90 vs Sony A500 in our completely new Camera & Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will differ based on the lens you are using at the time. Here is a front view size comparison of the W90 versus the A500.

Factoring in dimensions and weight, the portability grade of the W90 and A500 is 94 and 63 respectively.

Typically, its tough to visualize the difference between sensor sizing simply by checking specs. The graphic below should provide you a stronger sense of the sensor sizing in the W90 and A500.

As you can plainly see, both of those cameras have the same megapixel count albeit different sensor sizing. The W90 includes the tinier sensor which should make obtaining shallow DOF more difficult. The more recent W90 should have an advantage when it comes to sensor innovation.