Pentax K-3 II vs Pentax W90

Let's look a little more closely at the Pentax K-3 II vs Pentax W90, former is a Advanced DSLR while the other is a Waterproof and both are sold by Pentax. There is a noticeable difference between the image resolutions of the K-3 II (24MP) and W90 (12MP) and the K-3 II (APS-C) and W90 (1/2.3") use totally different sensor measurements.

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The K-3 II was released 5 years after the W90 which is quite a sizable difference as far as tech is concerned. Each of the cameras offer different body type with the Pentax K-3 II being a Mid-size SLR camera and the Pentax W90 being a Compact camera.

Before getting in to a in depth comparison, below is a simple summary of how the K-3 II scores vs the W90 for portability, imaging, features and an overall mark.

This is a sample of the gallery pictures for Pentax K-3 II & Pentax Optio W90. The complete galleries are available at Pentax K-3 II Gallery & Pentax W90 Gallery.

When you are looking to travel with your camera regularly, you will want to factor in its weight and dimensions. The Pentax K-3 II offers external measurements of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") and a weight of 800 grams (1.76 lbs) while the Pentax W90 has dimensions of 108mm x 59mm x 25mm (4.3" x 2.3" x 1.0") and a weight of 164 grams (0.36 lbs).

Check the Pentax K-3 II vs Pentax W90 in our brand new Camera & Lens Size Comparison Tool.

Do not forget, the weight of an ILC will change depending on the lens you use at that moment. Here is the front view measurement comparison of the K-3 II compared to the W90.

Taking into account size and weight, the portability rating of the K-3 II and W90 is 59 and 94 respectively.

Usually, it's difficult to visualise the gap between sensor dimensions simply by going over a spec sheet. The image here may offer you a better sense of the sensor measurements in the K-3 II and W90.

As you can see, both of these cameras enjoy different resolutions and different sensor dimensions. The K-3 II featuring a larger sensor will make shooting shallower DOF less difficult and the Pentax K-3 II will deliver extra detail as a result of its extra 12 Megapixels. Greater resolution will enable you to crop images far more aggressively. The more modern K-3 II will have an advantage when it comes to sensor innovation.