Olympus TG-830 iHS vs Pentax 645D

Following is a complete review of the Olympus TG-830 iHS vs Pentax 645D, one is a Waterproof and the latter is a Pro DSLR by competitors Olympus and Pentax. There is a big difference between the resolutions of the TG-830 iHS (16MP) and 645D (40MP) and the TG-830 iHS (1/2.3") and 645D (Medium format) use different sensor sizing.

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The TG-830 iHS was manufactured 2 years after the 645D which is quite a big gap as far as tech is concerned. Each of the cameras come with different body type with the Olympus TG-830 iHS being a Compact camera and the Pentax 645D being a Large SLR camera.

Before going straight into a complete comparison, below is a quick view of how the TG-830 iHS grades vs the 645D when considering portability, imaging, features and an overall score.

Below is a preview of the gallery photos for Olympus TG-830 iHS and Pentax 645D. The entire galleries are available at Olympus TG-830 iHS Gallery and Pentax 645D Gallery.

If you're planning to carry around your camera regularly, you'll need to take into account its weight and dimensions. The Olympus TG-830 iHS has got physical measurements of 109mm x 67mm x 28mm (4.3" x 2.6" x 1.1") having a weight of 214 grams (0.47 lbs) whilst the Pentax 645D has dimensions of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") along with a weight of 1480 grams (3.26 lbs).

Compare the Olympus TG-830 iHS vs Pentax 645D in the latest Camera with Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will vary depending on the lens you are using at that moment. Following is the front view dimension comparison of the TG-830 iHS compared to the 645D.

Taking into account size and weight, the portability rating of the TG-830 iHS and 645D is 91 and 50 respectively.

Often, it's tough to picture the difference between sensor sizes merely by looking at specifications. The picture below may give you a better sense of the sensor sizing in the TG-830 iHS and 645D.

Plainly, both cameras have got different megapixels and different sensor sizes. The TG-830 iHS because of its tinier sensor is going to make shooting shallow depth of field tougher and the Pentax 645D will resolve more detail due to its extra 24MP. Higher resolution will also let you crop pictures much more aggressively. The more modern TG-830 iHS should have an edge with regard to sensor technology.