Olympus E-510 vs Pentax K-S1

Its time to take a deeper look at the Olympus E-510 and Pentax K-S1, both Advanced DSLR digital cameras by competitors Olympus and Pentax. There exists a substantial gap between the resolutions of the E-510 (10MP) and K-S1 (20MP) and the E-510 (Four Thirds) and K-S1 (APS-C) feature totally different sensor measurements.

Photography Glossary

The E-510 was unveiled 7 years prior to the K-S1 which is quite a big difference as far as technology is concerned. The two cameras offer the identical body type (Mid-size SLR).

Before diving through a thorough comparison, below is a concise summation of how the E-510 matches up vs the K-S1 in regards to portability, imaging, features and an overall score.

Below is a preview of the gallery images for Olympus E-510 & Pentax K-S1. The full galleries are available at Olympus E-510 Gallery & Pentax K-S1 Gallery.

In case you're planning to carry around your camera often, you'll need to take into account its weight and proportions. The Olympus E-510 features outside measurements of 136mm x 92mm x 68mm (5.4" x 3.6" x 2.7") accompanied by a weight of 490 grams (1.08 lbs) and 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).

Check out the Olympus E-510 and Pentax K-S1 in our brand new Camera plus Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will vary dependant on the lens you have during that time. The following is the front view scale comparison of the E-510 vs the K-S1.

Taking into consideration dimensions and weight, the portability score of the E-510 and K-S1 is 69 and 69 respectively.

Normally, it is tough to envision the contrast between sensor sizes simply by reading through specifications. The picture underneath should offer you a better sense of the sensor measurements in the E-510 and K-S1.

Plainly, both cameras enjoy different resolutions and different sensor sizes. The E-510 having a tinier sensor will make shooting bokeh trickier and the Pentax K-S1 will resolve more detail having an extra 10 Megapixels. Higher resolution will help you crop shots far more aggressively. The more aged E-510 is going to be disadvantaged with regard to sensor technology.