Olympus TG-630 iHS vs Pentax 645D

On this page, we will be analyzing the Olympus TG-630 iHS and Pentax 645D, former is a Waterproof while the latter is a Pro DSLR by competitors Olympus and Pentax. There is a sizable difference between the image resolutions of the TG-630 iHS (12MP) and 645D (40MP) and the TG-630 iHS (1/2.3") and 645D (Medium format) provide totally different sensor sizes.

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The TG-630 iHS was introduced 2 years after the 645D which is quite a significant difference as far as tech is concerned. Both the cameras have different body design with the Olympus TG-630 iHS being a Compact camera and the Pentax 645D being a Large SLR camera.

Before going straight to a complete comparison, here is a simple synopsis of how the TG-630 iHS matches up versus the 645D in terms of portability, imaging, features and an overall mark.

Here is a preview of the gallery images for Olympus TG-630 iHS & Pentax 645D. The whole galleries are provided at Olympus TG-630 iHS Gallery & Pentax 645D Gallery.

If you are going to travel with your camera often, you'll need to factor its weight and proportions. The Olympus TG-630 iHS provides physical measurements of 98mm x 66mm x 22mm (3.9" x 2.6" x 0.9") and a weight of 167 grams (0.37 lbs) whilst the Pentax 645D has measurements of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") accompanied by a weight of 1480 grams (3.26 lbs).

Examine the Olympus TG-630 iHS and Pentax 645D in our newest Camera plus Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will vary depending on the lens you use during that time. The following is a front view overall size comparison of the TG-630 iHS compared to the 645D.

Considering size and weight, the portability score of the TG-630 iHS and 645D is 94 and 50 respectively.

Generally, it is very hard to envision the difference between sensor dimensions purely by looking at specifications. The image here might provide you a clearer sense of the sensor measurements in the TG-630 iHS and 645D.

Plainly, both of these cameras provide different resolutions and different sensor dimensions. The TG-630 iHS with its tinier sensor will make getting shallow depth of field harder and the Pentax 645D will give you greater detail using its extra 28 Megapixels. Higher resolution will also make it easier to crop pictures more aggressively. The younger TG-630 iHS will have a benefit when it comes to sensor innovation.