Olympus E-510 vs Pentax K-3 III

Below is a extensive analysis of the Olympus E-510 vs Pentax K-3 III, both Advanced DSLR digital cameras by brands Olympus and Pentax. There exists a sizeable gap between the image resolutions of the E-510 (10MP) and K-3 III (26MP) and the E-510 (Four Thirds) and K-3 III (APS-C) enjoy different sensor dimensions.

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The E-510 was manufactured 14 years prior to the K-3 III and that is quite a large gap as far as technology is concerned. The two cameras offer the identical body type (Mid-size SLR).

Before we go in to a thorough comparison, below is a brief synopsis of how the E-510 scores vs the K-3 III for portability, imaging, features and an overall grade.

Following is a sample of the gallery pictures for Olympus E-510 and Pentax K-3 Mark III. The entire galleries are viewable at Olympus E-510 Gallery and Pentax K-3 III Gallery.

If you're aiming to lug around your camera regularly, you have to factor its weight and dimensions. The Olympus E-510 comes with outside measurements of 136mm x 92mm x 68mm (5.4" x 3.6" x 2.7") along with a weight of 490 grams (1.08 lbs) while the Pentax K-3 III has dimensions of 135mm x 104mm x 74mm (5.3" x 4.1" x 2.9") and a weight of 820 grams (1.81 lbs).

Analyze the Olympus E-510 vs Pentax K-3 III in the all new Camera and Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will change dependant on the lens you are using at that moment. Following is the front view size comparison of the E-510 vs the K-3 III.

Taking into consideration dimensions and weight, the portability grade of the E-510 and K-3 III is 69 and 58 respectively.

Normally, its tough to imagine the difference between sensor measurements only by going over specs. The graphic below will provide you a greater sense of the sensor sizing in the E-510 and K-3 III.

All in all, both of these cameras enjoy different megapixels and different sensor measurements. The E-510 featuring a tinier sensor is going to make shooting shallower DOF more difficult and the Pentax K-3 III will deliver more detail due to its extra 16 Megapixels. Greater resolution will also make it easier to crop photos far more aggressively. The older E-510 is going to be disadvantaged when it comes to sensor innovation.