Olympus TG-310 vs Pentax 645Z

Let's take a closer look at the Olympus TG-310 versus Pentax 645Z, former being a Waterproof while the latter is a Pro DSLR by rivals Olympus and Pentax. There exists a substantial gap between the sensor resolutions of the TG-310 (14MP) and 645Z (51MP) and the TG-310 (1/2.3") and 645Z (Medium format) come with different sensor dimensions.

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The TG-310 was released 4 years earlier than the 645Z and that is quite a big difference as far as technology is concerned. Each of these cameras come with different body type with the Olympus TG-310 being a Compact camera and the Pentax 645Z being a Large SLR camera.

Before delving straight into a in depth comparison, below is a brief highlight of how the TG-310 matches up vs the 645Z with respect to portability, imaging, features and an overall grade.

The following is a preview of the gallery photos for Olympus TG-310 & Pentax 645Z. The complete galleries are viewable at Olympus TG-310 Gallery & Pentax 645Z Gallery.

For those who are going to lug around your camera, you will want to factor in its weight and proportions. The Olympus TG-310 enjoys outside measurements of 96mm x 63mm x 23mm (3.8" x 2.5" x 0.9") accompanied by a weight of 155 grams (0.34 lbs) and the Pentax 645Z has measurements of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") with a weight of 1550 grams (3.42 lbs).

Take a look at the Olympus TG-310 versus Pentax 645Z in our newest Camera & Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will vary depending on the lens you use at that time. Here is the front view dimensions comparison of the TG-310 compared to the 645Z.

Considering dimensions and weight, the portability rating of the TG-310 and 645Z is 94 and 49 respectively.

Normally, it is very tough to visualize the contrast between sensor measurements simply by reading specs. The visual below may give you a much better sense of the sensor measurements in the TG-310 and 645Z.

As you can plainly see, both of those cameras have got different resolutions and different sensor measurements. The TG-310 due to its tinier sensor is going to make shooting shallow DOF more difficult and the Pentax 645Z will deliver extra detail as a result of its extra 37 Megapixels. Higher resolution can also make it easier to crop pictures much more aggressively. The older TG-310 is going to be disadvantaged with regard to sensor technology.