Pentax WG-3 GPS vs Sony A100

The following is a extended comparison of the Pentax WG-3 GPS versus Sony A100, former is a Waterproof while the other is a Entry-Level DSLR by competitors Pentax and Sony. There exists a large gap between the resolutions of the WG-3 GPS (16MP) and A100 (10MP) and the WG-3 GPS (1/2.3") and A100 (APS-C) boast totally different sensor sizes.

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The WG-3 GPS was brought out 7 years after the A100 which is quite a serious difference as far as technology is concerned. Both the cameras feature different body design with the Pentax WG-3 GPS being a Compact camera and the Sony A100 being a Compact SLR camera.

Before delving into a thorough comparison, here is a simple synopsis of how the WG-3 GPS scores vs the A100 in relation to portability, imaging, features and an overall mark.

Following is a sample of the gallery pictures for Pentax WG-3 GPS & Sony Alpha DSLR-A100. The entire galleries are available at Pentax WG-3 GPS Gallery & Sony A100 Gallery.

If you are aiming to travel with your camera, you have to factor its weight and measurements. The Pentax WG-3 GPS has outer dimensions of 125mm x 64mm x 33mm (4.9" x 2.5" x 1.3") accompanied by a weight of 238 grams (0.52 lbs) while the Sony A100 has proportions of 133mm x 95mm x 71mm (5.2" x 3.7" x 2.8") having a weight of 638 grams (1.41 lbs).

Contrast the Pentax WG-3 GPS versus Sony A100 in our newest Camera plus Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will change dependant on the lens you select during that time. Underneath is a front view measurement comparison of the WG-3 GPS vs the A100.

Using dimensions and weight, the portability score of the WG-3 GPS and A100 is 90 and 64 respectively.

Sometimes, it is very tough to visualise the difference between sensor dimensions simply by reading technical specs. The pic here will offer you a better sense of the sensor dimensions in the WG-3 GPS and A100.

As you have seen, each of the cameras come with different megapixels and different sensor dimensions. The WG-3 GPS because of its tinier sensor will make getting shallow depth of field trickier and the Pentax WG-3 GPS will offer you more detail having its extra 6MP. Greater resolution will enable you to crop images a good deal more aggressively. The more recent WG-3 GPS will have an advantage with regard to sensor tech.