Olympus E-3 vs Pentax K-S2

Below, we are analyzing the Olympus E-3 versus Pentax K-S2, one being a Advanced DSLR and the other is a Entry-Level DSLR by companies Olympus and Pentax. There is a huge difference among the resolutions of the E-3 (10MP) and K-S2 (20MP) and the E-3 (Four Thirds) and K-S2 (APS-C) use totally different sensor sizing.

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The E-3 was revealed 8 years before the K-S2 and that is a fairly significant gap as far as camera tech is concerned. Each of these cameras come with different body type with the Olympus E-3 being a Mid-size SLR camera and the Pentax K-S2 being a Compact SLR camera.

Before diving in to a in depth comparison, below is a quick introduction of how the E-3 scores vs the K-S2 with regard to portability, imaging, features and an overall rating.

Here is a sample of the gallery pictures for Olympus E-3 and Pentax K-S2. The full galleries are available at Olympus E-3 Gallery and Pentax K-S2 Gallery.

In case you're looking to carry your camera regularly, you will need to consider its weight and proportions. The Olympus E-3 features outside measurements of 142mm x 116mm x 75mm (5.6" x 4.6" x 3.0") with a weight of 890 grams (1.96 lbs) whilst the Pentax K-S2 has measurements of 123mm x 91mm x 73mm (4.8" x 3.6" x 2.9") with a weight of 678 grams (1.49 lbs).

Take a look at the Olympus E-3 versus Pentax K-S2 in the new Camera and Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will differ based on the lens you are utilizing at that moment. Following is the front view overall size comparison of the E-3 against the K-S2.

Taking into account size and weight, the portability grade of the E-3 and K-S2 is 56 and 64 respectively.

Generally, it is difficult to envision the contrast in sensor sizing just by viewing a spec sheet. The visual underneath may offer you a better sense of the sensor measurements in the E-3 and K-S2.

Clearly, both of these cameras have got different megapixels and different sensor sizing. The E-3 having a smaller sensor will make achieving shallower depth of field more difficult and the Pentax K-S2 will provide you with greater detail because of its extra 10 Megapixels. Greater resolution will enable you to crop pics much more aggressively. The older E-3 will be behind when it comes to sensor innovation.