Olympus SP-590 UZ vs Pentax 645Z

Its time to take a deeper look at the Olympus SP-590 UZ and Pentax 645Z, one is a Small Sensor Superzoom and the other is a Pro DSLR by brands Olympus and Pentax. There exists a sizeable gap between the image resolutions of the SP-590 UZ (12MP) and 645Z (51MP) and the SP-590 UZ (1/2.3") and 645Z (Medium format) possess different sensor sizing.

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The SP-590 UZ was brought out 6 years earlier than the 645Z which is quite a large gap as far as technology is concerned. Both cameras offer different body type with the Olympus SP-590 UZ being a SLR-like (bridge) camera and the Pentax 645Z being a Large SLR camera.

Before delving through a detailed comparison, below is a brief summation of how the SP-590 UZ matches up vs the 645Z in relation to portability, imaging, features and an overall mark.

This is a sample of the gallery pics for Olympus SP-590 UZ and Pentax 645Z. The entire galleries are provided at Olympus SP-590 UZ Gallery and Pentax 645Z Gallery.

When you are looking to travel with your camera frequently, you'll need to think about its weight and proportions. The Olympus SP-590 UZ enjoys external measurements of 116mm x 84mm x 81mm (4.6" x 3.3" x 3.2") and a weight of 413 grams (0.91 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).

Check out the Olympus SP-590 UZ and Pentax 645Z in the all new Camera with Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will differ based on the lens you select during that time. Here is the front view size comparison of the SP-590 UZ vs the 645Z.

Taking into account dimensions and weight, the portability score of the SP-590 UZ and 645Z is 72 and 49 respectively.

Normally, it's difficult to visualize the contrast between sensor dimensions only by reviewing specs. The image below will help provide you a better sense of the sensor sizing in the SP-590 UZ and 645Z.

All in all, each of these cameras enjoy different megapixel count and different sensor dimensions. The SP-590 UZ featuring a tinier sensor is going to make getting shallow DOF more difficult and the Pentax 645Z will deliver extra detail having its extra 39MP. Greater resolution will help you crop photos far more aggressively. The more aged SP-590 UZ is going to be behind in sensor tech.