Olympus E-PL5 vs Pentax K-S1

Its time to take a closer look at the Olympus E-PL5 vs Pentax K-S1, former is a Entry-Level Mirrorless while the latter is a Advanced DSLR by competitors Olympus and Pentax. The resolution of the E-PL5 (16MP) and the K-S1 (20MP) is pretty similar but the E-PL5 (Four Thirds) and K-S1 (APS-C) boast different sensor measurements.

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The E-PL5 was unveiled 23 months earlier than the K-S1 which makes them a generation away from one another. Both of these cameras have different body design with the Olympus E-PL5 being a Rangefinder-style mirrorless camera and the Pentax K-S1 being a Mid-size SLR camera.

Before getting into a in depth comparison, here is a short overview of how the E-PL5 matches up versus the K-S1 for portability, imaging, features and an overall mark.

The following is a preview of the gallery images for Olympus PEN E-PL5 & Pentax K-S1. The full galleries are provided at Olympus E-PL5 Gallery & Pentax K-S1 Gallery.

In case you're planning to travel with your camera often, you'll need to consider its weight and dimensions. The Olympus E-PL5 comes with outside measurements of 111mm x 64mm x 38mm (4.4" x 2.5" x 1.5") and a weight of 325 grams (0.72 lbs) and the Pentax K-S1 has dimensions of 121mm x 93mm x 70mm (4.8" x 3.7" x 2.8") along with a weight of 558 grams (1.23 lbs).

Analyze the Olympus E-PL5 vs Pentax K-S1 in our brand new Camera plus Lens Size Comparison Tool.

Don't forget, the weight of an ILC will vary dependant on the lens you have at the time. Below is a front view dimension comparison of the E-PL5 and the K-S1.

Taking into consideration dimensions and weight, the portability rating of the E-PL5 and K-S1 is 88 and 69 respectively.

More often than not, it is very difficult to imagine the gap between sensor dimensions simply by going over technical specs. The picture here should offer you a better sense of the sensor sizing in the E-PL5 and K-S1.

As you can tell, both of those cameras have different megapixels and different sensor dimensions. The E-PL5 with its tinier sensor is going to make getting bokeh tougher and the Pentax K-S1 will offer you extra detail having an extra 4MP. Higher resolution will also help you crop pictures a bit more aggressively. The more aged E-PL5 is going to be disadvantaged when it comes to sensor technology.