Olympus Tough-3000 vs Pentax 645Z

Below, we will be matching up the Olympus Tough-3000 versus Pentax 645Z, former being a Waterproof while the latter is a Pro DSLR by manufacturers Olympus and Pentax. There is a substantial difference among the sensor resolutions of the Tough-3000 (12MP) and 645Z (51MP) and the Tough-3000 (1/2.3") and 645Z (Medium format) use different sensor sizes.

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The Tough-3000 was manufactured 5 years earlier than the 645Z and that is a fairly big difference as far as camera tech is concerned. The two cameras come with different body type with the Olympus Tough-3000 being a Compact camera and the Pentax 645Z being a Large SLR camera.

Before diving straight into a complete comparison, below is a quick highlight of how the Tough-3000 scores vs the 645Z in terms of portability, imaging, features and an overall grade.

Here is a preview of the gallery images for Olympus Stylus Tough-3000 & Pentax 645Z. The entire galleries are available at Olympus Tough-3000 Gallery & Pentax 645Z Gallery.

If you're looking to lug around your camera regularly, you'll have to think about its weight and size. The Olympus Tough-3000 offers physical measurements of 96mm x 65mm x 23mm (3.8" x 2.6" x 0.9") having a weight of 159 grams (0.35 lbs) whilst the Pentax 645Z has specifications of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") having a weight of 1550 grams (3.42 lbs).

See the Olympus Tough-3000 versus Pentax 645Z in our brand new Camera plus Lens Size Comparison Tool.

Do not forget, the weight of an ILC will differ dependant on the lens you are utilizing during that time. Here is the front view measurement comparison of the Tough-3000 compared to the 645Z.

Considering size and weight, the portability grade of the Tough-3000 and 645Z is 94 and 49 respectively.

Usually, it is very hard to picture the contrast in sensor measurements purely by seeing a spec sheet. The photograph below should offer you a much better sense of the sensor sizing in the Tough-3000 and 645Z.

Clearly, both of the cameras have got different megapixel count and different sensor measurements. The Tough-3000 featuring a smaller sensor is going to make shooting shallower DOF more challenging and the Pentax 645Z will provide more detail due to its extra 39MP. Higher resolution will enable you to crop photographs much more aggressively. The older Tough-3000 will be behind with regard to sensor technology.