Pentax 645Z vs Pentax WG-2

On this page, we are evaluating the Pentax 645Z versus Pentax WG-2, former is a Pro DSLR while the other is a Waterproof and both are built by Pentax. There exists a sizable gap among the sensor resolutions of the 645Z (51MP) and WG-2 (16MP) and the 645Z (Medium format) and WG-2 (1/2.3") provide different sensor sizes.

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The 645Z was released 2 years after the WG-2 which is a fairly significant difference as far as camera technology is concerned. Both of these cameras have different body design with the Pentax 645Z being a Large SLR camera and the Pentax WG-2 being a Compact camera.

Before we go right into a step-by-step comparison, here is a concise synopsis of how the 645Z scores against the WG-2 when considering portability, imaging, features and an overall mark.

This is a sample of the gallery pics for Pentax 645Z & Pentax Optio WG-2. The complete galleries are available at Pentax 645Z Gallery & Pentax WG-2 Gallery.

For anyone who is planning to travel with your camera, you should factor in its weight and volume. The Pentax 645Z provides outer measurements of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") along with a weight of 1550 grams (3.42 lbs) while the Pentax WG-2 has sizing of 122mm x 61mm x 30mm (4.8" x 2.4" x 1.2") accompanied by a weight of 192 grams (0.42 lbs).

See the Pentax 645Z versus Pentax WG-2 in our newest Camera plus Lens Size Comparison Tool.

Do not forget, the weight of an ILC will change depending on the lens you use at the time. Following is a front view overall size comparison of the 645Z against the WG-2.

Factoring in dimensions and weight, the portability rating of the 645Z and WG-2 is 49 and 91 respectively.

Typically, its hard to imagine the contrast in sensor dimensions simply by checking out specifications. The picture below should offer you a more clear sense of the sensor measurements in the 645Z and WG-2.

Plainly, each of the cameras provide different megapixel count and different sensor dimensions. The 645Z because of its larger sensor is going to make getting shallower DOF simpler and the Pentax 645Z will show more detail as a result of its extra 35MP. Greater resolution will also help you crop photos more aggressively. The fresher 645Z should have an edge in sensor technology.