Olympus E-330 vs Pentax K-S1

Its time to look more closely at the Olympus E-330 versus Pentax K-S1, both Advanced DSLR cameras by brands Olympus and Pentax. There is a sizable difference among the sensor resolutions of the E-330 (7MP) and K-S1 (20MP) and the E-330 (Four Thirds) and K-S1 (APS-C) enjoy totally different sensor measurements.

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The E-330 was announced 9 years prior to the K-S1 which is a fairly significant difference as far as camera tech is concerned. Both the cameras come with the identical body type (Mid-size SLR).

Before diving through a in depth comparison, below is a concise view of how the E-330 scores against the K-S1 with respect to portability, imaging, features and an overall mark.

Below is a preview of the gallery photos for Olympus E-330 & Pentax K-S1. The whole galleries are viewable at Olympus E-330 Gallery & Pentax K-S1 Gallery.

When you are planning to travel with your camera, you will have to take into account its weight and proportions. The Olympus E-330 comes with exterior measurements of 140mm x 87mm x 72mm (5.5" x 3.4" x 2.8") with a weight of 616 grams (1.36 lbs) while the Pentax K-S1 has measurements of 121mm x 93mm x 70mm (4.8" x 3.7" x 2.8") accompanied by a weight of 558 grams (1.23 lbs).

See the Olympus E-330 versus Pentax K-S1 in our brand new Camera & Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will vary based on the lens you are using at that time. The following is the front view measurements comparison of the E-330 versus the K-S1.

Considering size and weight, the portability rating of the E-330 and K-S1 is 65 and 69 respectively.

Generally, it's difficult to see the difference in sensor dimensions purely by looking through technical specs. The pic here might offer you a far better sense of the sensor measurements in the E-330 and K-S1.

As you can tell, each of the cameras posses different megapixels and different sensor dimensions. The E-330 having a smaller sensor will make achieving shallower depth of field more difficult and the Pentax K-S1 will render extra detail with its extra 13MP. Higher resolution will help you crop photographs somewhat more aggressively. The more aged E-330 will be behind when it comes to sensor technology.