Olympus SZ-31MR iHS vs Pentax 645D

In this article, we will be comparing the Olympus SZ-31MR iHS versus Pentax 645D, one being a Small Sensor Superzoom and the latter is a Pro DSLR by companies Olympus and Pentax. There is a significant difference among the resolutions of the SZ-31MR iHS (16MP) and 645D (40MP) and the SZ-31MR iHS (1/2.3") and 645D (Medium format) come with different sensor measurements.

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The SZ-31MR iHS was revealed 24 months later than the 645D which makes the cameras a generation apart from each other. Both the cameras offer different body type with the Olympus SZ-31MR iHS being a Compact camera and the Pentax 645D being a Large SLR camera.

Before delving straight into a more detailed comparison, below is a quick overview of how the SZ-31MR iHS matches up versus the 645D with regard to portability, imaging, features and an overall grade.

Below is a preview of the gallery photos for Olympus SZ-31MR iHS and Pentax 645D. The full galleries are provided at Olympus SZ-31MR iHS Gallery and Pentax 645D Gallery.

For anyone who is looking to lug around your camera frequently, you'll need to take into account its weight and dimensions. The Olympus SZ-31MR iHS has got exterior dimensions of 106mm x 69mm x 40mm (4.2" x 2.7" x 1.6") having a weight of 226 grams (0.50 lbs) and the Pentax 645D has dimensions of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") accompanied by a weight of 1480 grams (3.26 lbs).

Take a look at the Olympus SZ-31MR iHS versus Pentax 645D in the new Camera and Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will vary based on the lens you have chosen at that moment. Following is the front view proportions comparison of the SZ-31MR iHS and the 645D.

Taking into consideration size and weight, the portability grade of the SZ-31MR iHS and 645D is 89 and 50 respectively.

In many cases, it's tough to imagine the difference in sensor measurements just by checking out technical specs. The visual underneath will help provide you a far better sense of the sensor dimensions in the SZ-31MR iHS and 645D.

As you have seen, the 2 cameras enjoy different megapixel count and different sensor measurements. The SZ-31MR iHS using its smaller sensor is going to make getting shallower depth of field more difficult and the Pentax 645D will provide more detail because of its extra 24 Megapixels. Higher resolution will also allow you to crop pictures far more aggressively. The newer SZ-31MR iHS provides a benefit when it comes to sensor tech.