Pentax WG-2 vs Sony A330

The following is a comprehensive comparison of the Pentax WG-2 versus Sony A330, one is a Waterproof and the other is a Entry-Level DSLR by rivals Pentax and Sony. There is a significant difference among the resolutions of the WG-2 (16MP) and A330 (10MP) and the WG-2 (1/2.3") and A330 (APS-C) possess different sensor size.

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The WG-2 was announced 2 years after the A330 which is a fairly sizable gap as far as camera tech is concerned. Both the cameras come with different body type with the Pentax WG-2 being a Compact camera and the Sony A330 being a Compact SLR camera.

Before we go in to a more detailed comparison, below is a simple summation of how the WG-2 scores against the A330 with regard to portability, imaging, features and an overall mark.

Below is a sample of the gallery pictures for Pentax Optio WG-2 and Sony Alpha DSLR-A330. The whole galleries are available at Pentax WG-2 Gallery and Sony A330 Gallery.

When you are going to travel with your camera frequently, you will need to consider its weight and measurements. The Pentax WG-2 offers physical measurements of 122mm x 61mm x 30mm (4.8" x 2.4" x 1.2") accompanied by a weight of 192 grams (0.42 lbs) and the Sony A330 has proportions of 128mm x 97mm x 71mm (5.0" x 3.8" x 2.8") having a weight of 529 grams (1.17 lbs).

Contrast the Pentax WG-2 versus Sony A330 in the all new Camera with Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will change based on the lens you choose at the time. Underneath is the front view size comparison of the WG-2 versus the A330.

Looking at size and weight, the portability grade of the WG-2 and A330 is 91 and 67 respectively.

Usually, its hard to visualize the difference in sensor dimensions only by going through specs. The pic underneath may offer you a clearer sense of the sensor sizing in the WG-2 and A330.

As you can plainly see, both the cameras posses different megapixels and different sensor dimensions. The WG-2 having a smaller sensor is going to make shooting shallow DOF more difficult and the Pentax WG-2 will provide more detail with its extra 6 Megapixels. Greater resolution will also make it easier to crop pics somewhat more aggressively. The more recent WG-2 provides an advantage in sensor technology.