Canon SX20 IS vs Pentax WG-3 GPS

Here, we are analyzing the Canon SX20 IS versus Pentax WG-3 GPS, one is a Small Sensor Superzoom and the other is a Waterproof by rivals Canon and Pentax. There is a significant difference between the image resolutions of the SX20 IS (12MP) and WG-3 GPS (16MP) but both cameras provide the identical sensor measurements (1/2.3").

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The SX20 IS was announced 4 years earlier than the WG-3 GPS which is quite a sizable gap as far as tech is concerned. Each of the cameras feature different body design with the Canon SX20 IS being a SLR-like (bridge) camera and the Pentax WG-3 GPS being a Compact camera.

Before going straight to a complete comparison, here is a brief synopsis of how the SX20 IS grades against the WG-3 GPS in the way of portability, imaging, features and an overall mark.

Following is a sample of the gallery pictures for Canon PowerShot SX20 IS and Pentax WG-3 GPS. The whole galleries are viewable at Canon SX20 IS Gallery and Pentax WG-3 GPS Gallery.

For anyone who is intending to travel with your camera, you'll need to factor in its weight and dimensions. The Canon SX20 IS enjoys exterior dimensions of 128mm x 88mm x 87mm (5.0" x 3.5" x 3.4") accompanied by a weight of 600 grams (1.32 lbs) and the Pentax WG-3 GPS has dimensions of 125mm x 64mm x 33mm (4.9" x 2.5" x 1.3") with a weight of 238 grams (0.52 lbs).

Take a look at the Canon SX20 IS versus Pentax WG-3 GPS in the new Camera and Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will differ depending on the lens you select at the time. Below is a front view dimension comparison of the SX20 IS versus the WG-3 GPS.

Using size and weight, the portability grade of the SX20 IS and WG-3 GPS is 65 and 90 respectively.

Oftentimes, it can be tough to visualize the contrast between sensor dimensions merely by reading through technical specs. The image below will help give you a far better sense of the sensor sizes in the SX20 IS and WG-3 GPS.

As you have seen, both of those cameras come with the identical sensor size but different megapixels. You should anticipate the Pentax WG-3 GPS to give greater detail with its extra 4 Megapixels. Greater resolution can also make it easier to crop photos a good deal more aggressively. The more aged SX20 IS is going to be disadvantaged when it comes to sensor tech.