Olympus TG-310 vs Pentax 645D

Lets look a bit more in depth at the Olympus TG-310 vs Pentax 645D, one being a Waterproof and the latter is a Pro DSLR by manufacturers Olympus and Pentax. There is a crucial difference among the image resolutions of the TG-310 (14MP) and 645D (40MP) and the TG-310 (1/2.3") and 645D (Medium format) possess different sensor measurements.

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The TG-310 was brought out 11 months later than the 645D so they are both of a similar generation. The two cameras come with different body type with the Olympus TG-310 being a Compact camera and the Pentax 645D being a Large SLR camera.

Before delving straight into a step-by-step comparison, below is a short synopsis of how the TG-310 matches up against the 645D with regards to portability, imaging, features and an overall rating.

Below is a preview of the gallery images for Olympus TG-310 and Pentax 645D. The entire galleries are provided at Olympus TG-310 Gallery and Pentax 645D Gallery.

When you are aiming to carry your camera, you are going to need to take into account its weight and measurements. The Olympus TG-310 has physical dimensions of 96mm x 63mm x 23mm (3.8" x 2.5" x 0.9") and a weight of 155 grams (0.34 lbs) while the Pentax 645D has proportions of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") with a weight of 1480 grams (3.26 lbs).

Take a look at the Olympus TG-310 vs Pentax 645D in the latest Camera and Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will change depending on the lens you have chosen during that time. Following is the front view proportions comparison of the TG-310 versus the 645D.

Looking at size and weight, the portability score of the TG-310 and 645D is 94 and 50 respectively.

Usually, it is difficult to imagine the contrast in sensor sizing only by researching technical specs. The photograph below may give you a stronger sense of the sensor sizes in the TG-310 and 645D.

As you can tell, both of those cameras have got different resolutions and different sensor sizing. The TG-310 due to its smaller sensor is going to make getting shallower depth of field more difficult and the Pentax 645D will result in more detail having its extra 26MP. Higher resolution can also make it easier to crop shots much more aggressively. The younger TG-310 should have an edge with regard to sensor technology.