Olympus TG-2 iHS vs Pentax 645Z

Let's examine more in depth at the Olympus TG-2 iHS vs Pentax 645Z, one is a Waterproof and the other is a Pro DSLR by brands Olympus and Pentax. There exists a huge gap among the resolutions of the TG-2 iHS (12MP) and 645Z (51MP) and the TG-2 iHS (1/2.3") and 645Z (Medium format) come with totally different sensor sizing.

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The TG-2 iHS was revealed 9 months earlier than the 645Z and they are of a similar generation. Each of the cameras offer different body type with the Olympus TG-2 iHS being a Compact camera and the Pentax 645Z being a Large SLR camera.

Before getting through a full comparison, below is a brief overview of how the TG-2 iHS grades against the 645Z in the way of portability, imaging, features and an overall score.

The following is a sample of the gallery pics for Olympus Tough TG-2 iHS and Pentax 645Z. The full galleries are provided at Olympus TG-2 iHS Gallery and Pentax 645Z Gallery.

For those who are looking to carry around your camera frequently, you will want to factor in its weight and dimensions. The Olympus TG-2 iHS provides physical measurements of 111mm x 67mm x 29mm (4.4" x 2.6" x 1.1") along with a weight of 230 grams (0.51 lbs) while the Pentax 645Z has dimensions of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") having a weight of 1550 grams (3.42 lbs).

Examine the Olympus TG-2 iHS vs Pentax 645Z in the all new Camera with Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will differ based on the lens you use at the time. Underneath is the front view proportions comparison of the TG-2 iHS compared to the 645Z.

Using dimensions and weight, the portability rating of the TG-2 iHS and 645Z is 91 and 49 respectively.

Typically, it is difficult to see the difference in sensor sizes only by researching technical specs. The pic below will help give you a much better sense of the sensor measurements in the TG-2 iHS and 645Z.

As you can tell, both of the cameras offer different resolutions and different sensor sizes. The TG-2 iHS using its smaller sensor will make shooting shallow depth of field more difficult and the Pentax 645Z will render greater detail because of its extra 39MP. Greater resolution will help you crop photos a little more aggressively. The more aged TG-2 iHS will be disadvantaged with regard to sensor technology.