Pentax 645D vs Pentax WG-2

Here is a extended analysis of the Pentax 645D and Pentax WG-2, former being a Pro DSLR while the latter is a Waterproof and both are produced by Pentax. There exists a considerable gap between the sensor resolutions of the 645D (40MP) and WG-2 (16MP) and the 645D (Medium format) and WG-2 (1/2.3") possess totally different sensor sizes.

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The 645D was released 23 months before the WG-2 which makes the cameras a generation apart from one another. Both of these cameras offer different body type with the Pentax 645D being a Large SLR camera and the Pentax WG-2 being a Compact camera.

Before going in to a detailed comparison, below is a short summation of how the 645D grades against the WG-2 when it comes to portability, imaging, features and an overall rating.

This is a preview of the gallery images for Pentax 645D & Pentax Optio WG-2. The complete galleries are available at Pentax 645D Gallery & Pentax WG-2 Gallery.

For those who are planning to carry your camera often, you're going to have to factor its weight and size. The Pentax 645D has outside dimensions of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") along with a weight of 1480 grams (3.26 lbs) and the Pentax WG-2 has specifications of 122mm x 61mm x 30mm (4.8" x 2.4" x 1.2") and a weight of 192 grams (0.42 lbs).

Look at the Pentax 645D and Pentax WG-2 in our newest Camera plus Lens Size Comparison Tool.

Take into account, the weight of an ILC will change dependant on the lens you are using at that moment. Below is the front view scale comparison of the 645D and the WG-2.

Considering dimensions and weight, the portability score of the 645D and WG-2 is 50 and 91 respectively.

Sometimes, it is difficult to envision the gap between sensor sizing purely by reading through technical specs. The visual below should provide you a clearer sense of the sensor dimensions in the 645D and WG-2.

As you can tell, both the cameras offer different resolutions and different sensor sizing. The 645D featuring a bigger sensor will make achieving shallow DOF simpler and the Pentax 645D will give you extra detail as a result of its extra 24 Megapixels. Higher resolution can also help you crop pictures a little more aggressively. The older 645D is going to be behind when it comes to sensor innovation.