Pentax WG-3 vs Sony NEX-7

On this page, we will be evaluating the Pentax WG-3 versus Sony NEX-7, one is a Waterproof and the latter is a Advanced Mirrorless by manufacturers Pentax and Sony. There exists a sizeable gap among the image resolutions of the WG-3 (16MP) and NEX-7 (24MP) and the WG-3 (1/2.3") and NEX-7 (APS-C) provide different sensor sizing.

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The WG-3 was manufactured 20 months after the NEX-7 which makes them a generation away from one another. Both cameras have different body design with the Pentax WG-3 being a Compact camera and the Sony NEX-7 being a Rangefinder-style mirrorless camera.

Before getting straight to a detailed comparison, here is a brief synopsis of how the WG-3 grades vs the NEX-7 with regard to portability, imaging, features and an overall score.

Following is a preview of the gallery photos for Pentax WG-3 and Sony Alpha NEX-7. The entire galleries are provided at Pentax WG-3 Gallery and Sony NEX-7 Gallery.

For anyone who is planning to carry around your camera regularly, you will need to take into account its weight and size. The Pentax WG-3 enjoys external dimensions of 124mm x 64mm x 33mm (4.9" x 2.5" x 1.3") with a weight of 230 grams (0.51 lbs) whilst the Sony NEX-7 has specifications of 120mm x 67mm x 43mm (4.7" x 2.6" x 1.7") along with a weight of 400 grams (0.88 lbs).

See the Pentax WG-3 versus Sony NEX-7 in the latest Camera and Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will change depending on the lens you select at that moment. The following is a front view dimension comparison of the WG-3 compared to the NEX-7.

Using dimensions and weight, the portability rating of the WG-3 and NEX-7 is 90 and 84 respectively.

Sometimes, its hard to visualize the gap in sensor sizes purely by looking through technical specs. The pic underneath will give you a better sense of the sensor dimensions in the WG-3 and NEX-7.

As you can tell, both of these cameras provide different megapixels and different sensor sizes. The WG-3 because of its smaller sensor is going to make shooting shallower DOF more challenging and the Sony NEX-7 will result in greater detail due to its extra 8 Megapixels. Higher resolution will also let you crop shots more aggressively. The newer WG-3 provides an edge when it comes to sensor tech.