Olympus E-330 vs Pentax K-3 III

In this write-up, we are comparing the Olympus E-330 vs Pentax K-3 III, both Advanced DSLR digital cameras by brands Olympus and Pentax. There is a sizeable difference between the sensor resolutions of the E-330 (7MP) and K-3 III (26MP) and the E-330 (Four Thirds) and K-3 III (APS-C) come with different sensor measurements.

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The E-330 was released 16 years earlier than the K-3 III which is quite a large gap as far as tech is concerned. Both cameras offer the identical body type (Mid-size SLR).

Before getting straight into a comprehensive comparison, below is a quick overview of how the E-330 matches up vs the K-3 III in relation to portability, imaging, features and an overall mark.

The following is a sample of the gallery pics for Olympus E-330 and Pentax K-3 Mark III. The complete galleries are available at Olympus E-330 Gallery and Pentax K-3 III Gallery.

If you are going to travel with your camera frequently, you have to take into account its weight and volume. The Olympus E-330 enjoys external dimensions of 140mm x 87mm x 72mm (5.5" x 3.4" x 2.8") having a weight of 616 grams (1.36 lbs) and the Pentax K-3 III has sizing of 135mm x 104mm x 74mm (5.3" x 4.1" x 2.9") with a weight of 820 grams (1.81 lbs).

See the Olympus E-330 vs Pentax K-3 III in the latest Camera with Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will change based on the lens you have during that time. The following is the front view measurement comparison of the E-330 vs the K-3 III.

Factoring in size and weight, the portability rating of the E-330 and K-3 III is 65 and 58 respectively.

Oftentimes, it's tough to picture the gap between sensor dimensions purely by reading specs. The picture here may provide you a much better sense of the sensor sizes in the E-330 and K-3 III.

As you can plainly see, both of those cameras enjoy different megapixel count and different sensor dimensions. The E-330 due to its tinier sensor is going to make getting shallower DOF more challenging and the Pentax K-3 III will deliver greater detail as a result of its extra 19MP. Greater resolution will make it easier to crop photos far more aggressively. The more aged E-330 is going to be disadvantaged with regard to sensor tech.