Pentax WG-3 GPS vs Sony A7R

Below, we will be comparing the Pentax WG-3 GPS and Sony A7R, one being a Waterproof and the latter is a Pro Mirrorless by rivals Pentax and Sony. There exists a crucial gap between the image resolutions of the WG-3 GPS (16MP) and A7R (36MP) and the WG-3 GPS (1/2.3") and A7R (Full frame) enjoy different sensor measurements.

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The WG-3 GPS was introduced 6 months prior to the A7R and they are both of a similar generation. Both cameras come with different body type with the Pentax WG-3 GPS being a Compact camera and the Sony A7R being a SLR-style mirrorless camera.

Before getting in to a complete comparison, below is a brief overview of how the WG-3 GPS matches up against the A7R in the way of portability, imaging, features and an overall rating.

This is a preview of the gallery images for Pentax WG-3 GPS and Sony Alpha A7R. The whole galleries are provided at Pentax WG-3 GPS Gallery and Sony A7R Gallery.

In case you're looking to carry your camera frequently, you will want to think about its weight and dimensions. The Pentax WG-3 GPS has outer dimensions of 125mm x 64mm x 33mm (4.9" x 2.5" x 1.3") along with a weight of 238 grams (0.52 lbs) whilst the Sony A7R has dimensions of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") along with a weight of 465 grams (1.03 lbs).

Analyze the Pentax WG-3 GPS and Sony A7R in the latest Camera and Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will vary dependant on the lens you choose at that moment. Here is the front view overall size comparison of the WG-3 GPS against the A7R.

Taking into consideration dimensions and weight, the portability score of the WG-3 GPS and A7R is 90 and 78 respectively.

Normally, it can be hard to visualize the gap between sensor sizing just by going over specs. The photograph here will give you a much better sense of the sensor sizes in the WG-3 GPS and A7R.

As you can plainly see, each of these cameras posses different megapixel count and different sensor sizing. The WG-3 GPS with its tinier sensor is going to make getting shallow DOF harder and the Sony A7R will deliver extra detail using its extra 20MP. Higher resolution will also let you crop photographs somewhat more aggressively.