Olympus SZ-15 vs Pentax 645D

Here, we will be analyzing the Olympus SZ-15 vs Pentax 645D, former is a Small Sensor Superzoom while the latter is a Pro DSLR by rivals Olympus and Pentax. There is a sizable difference between the image resolutions of the SZ-15 (16MP) and 645D (40MP) and the SZ-15 (1/2.3") and 645D (Medium format) have totally different sensor size.

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The SZ-15 was brought out 3 years after the 645D which is quite a significant difference as far as tech is concerned. Both the cameras feature different body design with the Olympus SZ-15 being a Compact camera and the Pentax 645D being a Large SLR camera.

Before diving into a more detailed comparison, here is a short view of how the SZ-15 matches up against the 645D in relation to portability, imaging, features and an overall mark.

Below is a preview of the gallery images for Olympus SZ-15 & Pentax 645D. The entire galleries are available at Olympus SZ-15 Gallery & Pentax 645D Gallery.

For anyone who is aiming to travel with your camera regularly, you will have to factor its weight and dimensions. The Olympus SZ-15 provides outside measurements of 108mm x 70mm x 40mm (4.3" x 2.8" x 1.6") accompanied by a weight of 250 grams (0.55 lbs) while the Pentax 645D has dimensions of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") having a weight of 1480 grams (3.26 lbs).

Examine the Olympus SZ-15 vs Pentax 645D in our newest Camera & Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will vary depending on the lens you have chosen during that time. Here is a front view sizing comparison of the SZ-15 and the 645D.

Using size and weight, the portability rating of the SZ-15 and 645D is 88 and 50 respectively.

Usually, its difficult to visualise the gap between sensor dimensions only by looking at specs. The pic below may give you a stronger sense of the sensor sizing in the SZ-15 and 645D.

All in all, both of the cameras come with different resolutions and different sensor dimensions. The SZ-15 due to its tinier sensor will make getting shallower depth of field harder and the Pentax 645D will give greater detail having its extra 24 Megapixels. Higher resolution can also make it easier to crop shots a good deal more aggressively. The newer SZ-15 is going to have an advantage with regard to sensor tech.