Olympus TG-1 iHS vs Pentax 645Z

Below is a extended analysis of the Olympus TG-1 iHS and Pentax 645Z, former being a Waterproof while the other is a Pro DSLR by manufacturers Olympus and Pentax. There is a large difference among the resolutions of the TG-1 iHS (12MP) and 645Z (51MP) and the TG-1 iHS (1/2.3") and 645Z (Medium format) posses totally different sensor sizing.

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The TG-1 iHS was introduced 23 months before the 645Z making them a generation apart from each other. Both cameras feature different body design with the Olympus TG-1 iHS being a Compact camera and the Pentax 645Z being a Large SLR camera.

Before we go right into a in depth comparison, here is a quick summary of how the TG-1 iHS grades against the 645Z in regards to portability, imaging, features and an overall grade.

Below is a sample of the gallery pics for Olympus Tough TG-1 iHS & Pentax 645Z. The whole galleries are provided at Olympus TG-1 iHS Gallery & Pentax 645Z Gallery.

For anyone who is intending to lug around your camera often, you will have to think about its weight and proportions. The Olympus TG-1 iHS has got outside measurements of 112mm x 67mm x 30mm (4.4" x 2.6" x 1.2") with a weight of 230 grams (0.51 lbs) whilst the Pentax 645Z has measurements of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") accompanied by a weight of 1550 grams (3.42 lbs).

Analyze the Olympus TG-1 iHS and Pentax 645Z in our brand new Camera plus Lens Size Comparison Tool.

Remember that, the weight of an ILC will vary dependant on the lens you have during that time. The following is a front view scale comparison of the TG-1 iHS vs the 645Z.

Factoring in size and weight, the portability score of the TG-1 iHS and 645Z is 91 and 49 respectively.

Often, it can be tough to envision the difference in sensor measurements just by researching a spec sheet. The photograph underneath might give you a clearer sense of the sensor sizing in the TG-1 iHS and 645Z.

As you can see, the two cameras come with different resolutions and different sensor measurements. The TG-1 iHS with its smaller sensor will make achieving shallow DOF trickier and the Pentax 645Z will result in more detail using its extra 39MP. Greater resolution will make it easier to crop pics a good deal more aggressively. The older TG-1 iHS will be disadvantaged with regard to sensor tech.