Pentax 645Z vs Pentax WG-2 GPS

Here is a in-depth analysis of the Pentax 645Z versus Pentax WG-2 GPS, former being a Pro DSLR while the latter is a Waterproof and both are created by Pentax. There is a large difference among the resolutions of the 645Z (51MP) and WG-2 GPS (16MP) and the 645Z (Medium format) and WG-2 GPS (1/2.3") provide totally different sensor size.

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The 645Z was launched 2 years later than the WG-2 GPS and that is a fairly serious difference as far as camera tech is concerned. The two cameras have different body design with the Pentax 645Z being a Large SLR camera and the Pentax WG-2 GPS being a Compact camera.

Before we go right into a in depth comparison, here is a short view of how the 645Z scores against the WG-2 GPS when considering portability, imaging, features and an overall rating.

Following is a preview of the gallery images for Pentax 645Z & Pentax Optio WG-2 GPS. The complete galleries are provided at Pentax 645Z Gallery & Pentax WG-2 GPS Gallery.

For anybody who is intending to carry your camera often, you should think about its weight and size. The Pentax 645Z offers exterior measurements of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") with a weight of 1550 grams (3.42 lbs) whilst the Pentax WG-2 GPS has specifications of 122mm x 61mm x 30mm (4.8" x 2.4" x 1.2") with a weight of 198 grams (0.44 lbs).

Take a look at the Pentax 645Z versus Pentax WG-2 GPS in our completely new Camera & Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will differ depending on the lens you have attached at that moment. Following is a front view over all size comparison of the 645Z versus the WG-2 GPS.

Considering size and weight, the portability rating of the 645Z and WG-2 GPS is 49 and 91 respectively.

Oftentimes, it is tough to see the difference in sensor sizing just by looking through specifications. The photograph underneath will help give you a much better sense of the sensor measurements in the 645Z and WG-2 GPS.

To sum up, both of those cameras have different megapixel count and different sensor sizing. The 645Z featuring a bigger sensor will make achieving shallower DOF less difficult and the Pentax 645Z will provide you with extra detail utilizing its extra 35MP. Higher resolution can also make it easier to crop shots a bit more aggressively. The younger 645Z is going to have an edge with regard to sensor tech.