Pentax WG-3 GPS vs Sony A65

In this write-up, we will be reviewing the Pentax WG-3 GPS and Sony A65, one being a Waterproof and the latter is a Entry-Level DSLR by competitors Pentax and Sony. There is a crucial difference between the image resolutions of the WG-3 GPS (16MP) and A65 (24MP) and the WG-3 GPS (1/2.3") and A65 (APS-C) feature different sensor size.

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The WG-3 GPS was released 21 months later than the A65 which makes the cameras a generation apart from each other. Both of the cameras offer different body type with the Pentax WG-3 GPS being a Compact camera and the Sony A65 being a Compact SLR camera.

Before getting through a step-by-step comparison, below is a short synopsis of how the WG-3 GPS grades against the A65 with regard to portability, imaging, features and an overall rating.

The following is a preview of the gallery photos for Pentax WG-3 GPS and Sony SLT-A65. The complete galleries are viewable at Pentax WG-3 GPS Gallery and Sony A65 Gallery.

When you are aiming to carry your camera often, you need to factor in its weight and proportions. The Pentax WG-3 GPS enjoys exterior dimensions of 125mm x 64mm x 33mm (4.9" x 2.5" x 1.3") having a weight of 238 grams (0.52 lbs) while the Sony A65 has measurements of 132mm x 97mm x 81mm (5.2" x 3.8" x 3.2") having a weight of 622 grams (1.37 lbs).

Take a look at the Pentax WG-3 GPS and Sony A65 in the all new Camera and Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will change based on the lens you have at the time. Following is the front view dimensions comparison of the WG-3 GPS and the A65.

Taking into account size and weight, the portability score of the WG-3 GPS and A65 is 90 and 64 respectively.

In many cases, its hard to picture the difference between sensor sizing just by checking technical specs. The photograph underneath may provide you a greater sense of the sensor sizes in the WG-3 GPS and A65.

As you can tell, both of those cameras enjoy different megapixels and different sensor sizing. The WG-3 GPS because of its tinier sensor is going to make achieving shallow depth of field trickier and the Sony A65 will give more detail as a result of its extra 8MP. Higher resolution will also enable you to crop photographs far more aggressively. The newer WG-3 GPS should have an edge when it comes to sensor innovation.