Olympus TG-830 iHS vs Pentax 645Z

Its time to look a bit more in depth at the Olympus TG-830 iHS vs Pentax 645Z, former is a Waterproof while the latter is a Pro DSLR by rivals Olympus and Pentax. There exists a large gap among the resolutions of the TG-830 iHS (16MP) and 645Z (51MP) and the TG-830 iHS (1/2.3") and 645Z (Medium format) feature different sensor measurements.

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The TG-830 iHS was launched 15 months earlier than the 645Z which makes the cameras a generation away from one another. Each of the cameras come with different body type with the Olympus TG-830 iHS being a Compact camera and the Pentax 645Z being a Large SLR camera.

Before going in to a detailed comparison, below is a concise view of how the TG-830 iHS grades versus the 645Z when it comes to portability, imaging, features and an overall mark.

The following is a preview of the gallery images for Olympus TG-830 iHS & Pentax 645Z. The complete galleries are available at Olympus TG-830 iHS Gallery & Pentax 645Z Gallery.

In case you're going to travel with your camera regularly, you're going to have to think about its weight and size. The Olympus TG-830 iHS features exterior dimensions of 109mm x 67mm x 28mm (4.3" x 2.6" x 1.1") accompanied by a weight of 214 grams (0.47 lbs) whilst the Pentax 645Z has specifications of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") along with a weight of 1550 grams (3.42 lbs).

Look at the Olympus TG-830 iHS vs Pentax 645Z in our completely new Camera plus Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will vary depending on the lens you are working with at the time. Underneath is the front view over all size comparison of the TG-830 iHS vs the 645Z.

Factoring in dimensions and weight, the portability grade of the TG-830 iHS and 645Z is 91 and 49 respectively.

More often than not, it's difficult to picture the difference in sensor dimensions only by seeing a spec sheet. The picture underneath will help give you a clearer sense of the sensor dimensions in the TG-830 iHS and 645Z.

Clearly, both the cameras have got different megapixels and different sensor dimensions. The TG-830 iHS because of its smaller sensor is going to make getting shallow DOF tougher and the Pentax 645Z will produce greater detail utilizing its extra 35 Megapixels. Higher resolution can also make it easier to crop shots much more aggressively. The more aged TG-830 iHS will be behind in sensor tech.