Olympus SP-620 UZ vs Pentax K-3

Let's take a closer look at the Olympus SP-620 UZ versus Pentax K-3, former being a Small Sensor Superzoom while the other is a Advanced DSLR by companies Olympus and Pentax. There exists a noticeable gap between the resolutions of the SP-620 UZ (16MP) and K-3 (24MP) and the SP-620 UZ (1/2.3") and K-3 (APS-C) boast totally different sensor sizes.

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The SP-620 UZ was introduced 3 years before the K-3 and that is quite a sizable difference as far as technology is concerned. Both the cameras feature different body design with the Olympus SP-620 UZ being a Compact camera and the Pentax K-3 being a Mid-size SLR camera.

Before delving straight to a full comparison, here is a simple overview of how the SP-620 UZ scores against the K-3 when considering portability, imaging, features and an overall rating.

The following is a sample of the gallery pictures for Olympus SP-620 UZ & Pentax K-3. The whole galleries are provided at Olympus SP-620 UZ Gallery & Pentax K-3 Gallery.

In case you're looking to carry your camera, you'll need to consider its weight and proportions. The Olympus SP-620 UZ has external dimensions of 110mm x 74mm x 74mm (4.3" x 2.9" x 2.9") with a weight of 435 grams (0.96 lbs) and the Pentax K-3 has measurements of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") along with a weight of 800 grams (1.76 lbs).

Look at the Olympus SP-620 UZ versus Pentax K-3 in our completely new Camera & Lens Size Comparison Tool.

Remember, the weight of an ILC will differ depending on the lens you have attached at the time. The following is a front view size comparison of the SP-620 UZ compared to the K-3.

Considering dimensions and weight, the portability grade of the SP-620 UZ and K-3 is 78 and 59 respectively.

More often than not, it can be tough to visualise the difference between sensor sizing just by checking specs. The photograph here may offer you a much better sense of the sensor dimensions in the SP-620 UZ and K-3.

All in all, each of these cameras come with different megapixels and different sensor sizing. The SP-620 UZ using its tinier sensor will make achieving shallower depth of field more difficult and the Pentax K-3 will resolve more detail using its extra 8 Megapixels. Greater resolution can also enable you to crop images a good deal more aggressively. The older SP-620 UZ is going to be disadvantaged when it comes to sensor technology.