Olympus E-300 vs Pentax K-r

The following is a complete overview of the Olympus E-300 versus Pentax K-r, one is a Advanced DSLR and the latter is a Entry-Level DSLR by competitors Olympus and Pentax. There is a sizeable difference among the sensor resolutions of the E-300 (8MP) and K-r (12MP) and the E-300 (Four Thirds) and K-r (APS-C) posses different sensor sizing.

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The E-300 was announced 7 years earlier than the K-r which is a fairly large gap as far as camera tech is concerned. Both of these cameras have different body design with the Olympus E-300 being a Mid-size SLR camera and the Pentax K-r being a Compact SLR camera.

Before we go into a step-by-step comparison, here is a concise view of how the E-300 matches up vs the K-r in terms of portability, imaging, features and an overall mark.

This is a preview of the gallery photos for Olympus E-300 and Pentax K-r. The whole galleries are viewable at Olympus E-300 Gallery and Pentax K-r Gallery.

If you are intending to travel with your camera frequently, you are going to need to take into account its weight and size. The Olympus E-300 enjoys external dimensions of 147mm x 85mm x 64mm (5.8" x 3.3" x 2.5") accompanied by a weight of 624 grams (1.38 lbs) whilst the Pentax K-r has specifications of 125mm x 97mm x 68mm (4.9" x 3.8" x 2.7") having a weight of 598 grams (1.32 lbs).

Compare the Olympus E-300 versus Pentax K-r in the latest Camera and Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will change dependant on the lens you have attached during that time. Below is a front view dimension comparison of the E-300 and the K-r.

Looking at size and weight, the portability grade of the E-300 and K-r is 67 and 67 respectively.

Usually, it's difficult to picture the gap in sensor dimensions just by looking through specifications. The image here might offer you a stronger sense of the sensor dimensions in the E-300 and K-r.

Plainly, both of these cameras have different megapixel count and different sensor dimensions. The E-300 with its smaller sensor is going to make achieving bokeh tougher and the Pentax K-r will provide you with extra detail with its extra 4MP. Higher resolution will let you crop photographs a bit more aggressively. The more aged E-300 will be behind in sensor technology.