Pentax 645Z vs Pentax WG-1 GPS

The following is a extended review of the Pentax 645Z vs Pentax WG-1 GPS, former is a Pro DSLR while the other is a Waterproof and both are built by Pentax. There is a substantial difference among the image resolutions of the 645Z (51MP) and WG-1 GPS (14MP) and the 645Z (Medium format) and WG-1 GPS (1/2.3") use totally different sensor sizing.

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The 645Z was revealed 2 years after the WG-1 GPS which is a fairly big difference as far as camera tech is concerned. The two cameras offer different body type with the Pentax 645Z being a Large SLR camera and the Pentax WG-1 GPS being a Compact camera.

Before getting straight into a comprehensive comparison, below is a short overview of how the 645Z matches up against the WG-1 GPS with respect to portability, imaging, features and an overall mark.

Here is a sample of the gallery pictures for Pentax 645Z & Pentax Optio WG-1 GPS. The full galleries are available at Pentax 645Z Gallery & Pentax WG-1 GPS Gallery.

If you are intending to travel with your camera frequently, you're going to have to take into account its weight and dimensions. The Pentax 645Z comes with outer dimensions of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") having a weight of 1550 grams (3.42 lbs) and the Pentax WG-1 GPS has dimensions of 116mm x 59mm x 29mm (4.6" x 2.3" x 1.1") and a weight of 167 grams (0.37 lbs).

Check the Pentax 645Z vs Pentax WG-1 GPS in our brand new Camera & Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will change depending on the lens you are working with at that time. Underneath is the front view size comparison of the 645Z and the WG-1 GPS.

Taking into consideration size and weight, the portability score of the 645Z and WG-1 GPS is 49 and 93 respectively.

Generally, it is difficult to see the contrast in sensor dimensions purely by checking out technical specs. The pic underneath will give you a much better sense of the sensor dimensions in the 645Z and WG-1 GPS.

As you can tell, each of the cameras enjoy different megapixel count and different sensor dimensions. The 645Z having a larger sensor will make achieving shallower depth of field less difficult and the Pentax 645Z will provide extra detail because of its extra 37MP. Greater resolution will also let you crop photos far more aggressively. The more recent 645Z will have an advantage in sensor tech.