Pentax K-3 vs Pentax W90

Let's take a deeper look at the Pentax K-3 vs Pentax W90, former being a Advanced DSLR while the latter is a Waterproof and both of them are manufactured by Pentax. There is a noticeable difference among the resolutions of the K-3 (24MP) and W90 (12MP) and the K-3 (APS-C) and W90 (1/2.3") have different sensor dimensions.

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The K-3 was launched 4 years later than the W90 and that is a fairly sizable difference as far as camera tech is concerned. Each of these cameras have different body design with the Pentax K-3 being a Mid-size SLR camera and the Pentax W90 being a Compact camera.

Before we go straight to a comprehensive comparison, here is a quick introduction of how the K-3 matches up vs the W90 with respect to portability, imaging, features and an overall rating.

The following is a preview of the gallery images for Pentax K-3 & Pentax Optio W90. The complete galleries are available at Pentax K-3 Gallery & Pentax W90 Gallery.

If you are looking to carry your camera frequently, you have to think about its weight and size. The Pentax K-3 has external dimensions of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") having a weight of 800 grams (1.76 lbs) and the Pentax W90 has specifications of 108mm x 59mm x 25mm (4.3" x 2.3" x 1.0") accompanied by a weight of 164 grams (0.36 lbs).

Examine the Pentax K-3 vs Pentax W90 in our newest Camera plus Lens Size Comparison Tool.

Always remember, the weight of an ILC will change depending on the lens you have attached during that time. The following is a front view overall size comparison of the K-3 vs the W90.

Considering size and weight, the portability score of the K-3 and W90 is 59 and 94 respectively.

Often, it is very tough to imagine the gap in sensor sizing just by seeing a spec sheet. The photograph underneath may offer you a much better sense of the sensor sizes in the K-3 and W90.

Clearly, both of those cameras provide different megapixels and different sensor sizing. The K-3 featuring a bigger sensor is going to make shooting shallower DOF simpler and the Pentax K-3 will produce more detail utilizing its extra 12 Megapixels. Higher resolution can also let you crop photographs more aggressively. The younger K-3 should have a benefit in sensor tech.