Pentax WG-3 vs Sony A33

Its time to take a more detailed look at the Pentax WG-3 vs Sony A33, one being a Waterproof and the other is a Entry-Level DSLR by companies Pentax and Sony. The image resolution of the WG-3 (16MP) and the A33 (14MP) is fairly comparable but the WG-3 (1/2.3") and A33 (APS-C) provide different sensor dimensions.

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The WG-3 was revealed 2 years later than the A33 and that is a fairly serious gap as far as camera tech is concerned. Both the cameras feature different body design with the Pentax WG-3 being a Compact camera and the Sony A33 being a Compact SLR camera.

Before delving into a in depth comparison, here is a simple synopsis of how the WG-3 grades versus the A33 in terms of portability, imaging, features and an overall rating.

The following is a sample of the gallery pictures for Pentax WG-3 and Sony SLT-A33. The full galleries are provided at Pentax WG-3 Gallery and Sony A33 Gallery.

For those who are planning to carry your camera, you have to think about its weight and measurements. The Pentax WG-3 enjoys physical dimensions of 124mm x 64mm x 33mm (4.9" x 2.5" x 1.3") accompanied by a weight of 230 grams (0.51 lbs) and the Sony A33 has proportions of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") with a weight of 500 grams (1.10 lbs).

Compare the Pentax WG-3 vs Sony A33 in the latest Camera and Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will vary dependant on the lens you select during that time. Following is a front view proportions comparison of the WG-3 and the A33.

Taking into account size and weight, the portability grade of the WG-3 and A33 is 90 and 67 respectively.

Oftentimes, it is very tough to visualize the gap in sensor sizing simply by going through specs. The photograph below should provide you a much better sense of the sensor sizes in the WG-3 and A33.

All in all, each of these cameras feature different megapixel count and different sensor sizing. The WG-3 with its smaller sensor is going to make shooting shallower depth of field harder and the Pentax WG-3 will show greater detail because of its extra 2MP. Greater resolution can also enable you to crop photos way more aggressively. The fresher WG-3 should have an edge with regard to sensor innovation.