Olympus E-510 vs Pentax E90

In this article, we will be comparing the Olympus E-510 vs Pentax E90, former being a Advanced DSLR while the latter is a Small Sensor Compact by rivals Olympus and Pentax. The resolution of the E-510 (10MP) and the E90 (10MP) is pretty close but the E-510 (Four Thirds) and E90 (1/2.3") enjoy totally different sensor dimensions.

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The E-510 was launched 3 years before the E90 and that is a fairly significant difference as far as camera tech is concerned. Both the cameras offer different body type with the Olympus E-510 being a Mid-size SLR camera and the Pentax E90 being a Compact camera.

Before diving through a in depth comparison, below is a brief overview of how the E-510 grades vs the E90 when it comes to portability, imaging, features and an overall grade.

Here is a preview of the gallery images for Olympus E-510 & Pentax Optio E90. The complete galleries are provided at Olympus E-510 Gallery & Pentax E90 Gallery.

If you are aiming to lug around your camera often, you have to factor in its weight and measurements. The Olympus E-510 offers physical dimensions of 136mm x 92mm x 68mm (5.4" x 3.6" x 2.7") having a weight of 490 grams (1.08 lbs) whilst the Pentax E90 has proportions of 102mm x 59mm x 25mm (4.0" x 2.3" x 1.0") having a weight of 145 grams (0.32 lbs).

Check out the Olympus E-510 vs Pentax E90 in our newest Camera & Lens Size Comparison Tool.

Do not forget, the weight of an ILC will vary dependant on the lens you are using at the time. Underneath is the front view proportions comparison of the E-510 compared to the E90.

Taking into consideration size and weight, the portability rating of the E-510 and E90 is 69 and 94 respectively.

Often, its tough to see the contrast in sensor measurements merely by viewing specifications. The visual here will give you a better sense of the sensor dimensions in the E-510 and E90.

Plainly, both of these cameras enjoy the same exact MP albeit not the same sensor measurements. The E-510 uses the bigger sensor which is going to make obtaining shallower DOF easier. The older E-510 will be disadvantaged with regard to sensor technology.