Olympus E-300 vs Pentax K-x

On this page, we will be looking at the Olympus E-300 vs Pentax K-x, former is a Advanced DSLR while the latter is a Entry-Level DSLR by competitors Olympus and Pentax. There exists a large gap between the sensor resolutions of the E-300 (8MP) and K-x (12MP) and the E-300 (Four Thirds) and K-x (APS-C) provide totally different sensor sizing.

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The E-300 was unveiled 6 years before the K-x which is quite a serious difference as far as technology is concerned. Each of these cameras have different body design with the Olympus E-300 being a Mid-size SLR camera and the Pentax K-x being a Compact SLR camera.

Before diving straight to a more detailed comparison, here is a quick summation of how the E-300 grades against the K-x when it comes to portability, imaging, features and an overall score.

Following is a preview of the gallery images for Olympus E-300 & Pentax K-x. The full galleries are provided at Olympus E-300 Gallery & Pentax K-x Gallery.

When you are planning to carry around your camera often, you will have to consider its weight and measurements. The Olympus E-300 comes with outside dimensions of 147mm x 85mm x 64mm (5.8" x 3.3" x 2.5") with a weight of 624 grams (1.38 lbs) whilst the Pentax K-x has proportions of 123mm x 92mm x 68mm (4.8" x 3.6" x 2.7") along with a weight of 580 grams (1.28 lbs).

Compare the Olympus E-300 vs Pentax K-x in our completely new Camera plus Lens Size Comparison Tool.

Do not forget, the weight of an ILC will differ dependant on the lens you select at that moment. Following is a front view over all size comparison of the E-300 and the K-x.

Taking into consideration dimensions and weight, the portability score of the E-300 and K-x is 67 and 69 respectively.

Normally, its hard to visualise the difference between sensor sizes purely by reading through specs. The image below will help offer you a far better sense of the sensor dimensions in the E-300 and K-x.

All in all, both of these cameras have different megapixels and different sensor sizes. The E-300 with its tinier sensor will make shooting shallower DOF more difficult and the Pentax K-x will give you more detail having an extra 4MP. Higher resolution can also let you crop shots a bit more aggressively. The more aged E-300 is going to be disadvantaged when it comes to sensor technology.