Olympus E-PL1s vs Pentax K-5

Below, we are reviewing the Olympus E-PL1s vs Pentax K-5, one being a Entry-Level Mirrorless and the other is a Advanced DSLR by companies Olympus and Pentax. There is a significant difference between the image resolutions of the E-PL1s (12MP) and K-5 (16MP) and the E-PL1s (Four Thirds) and K-5 (APS-C) possess totally different sensor size.

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The E-PL1s was brought out very close to the K-5 which means that they are both of a similar generation. Both cameras come with different body type with the Olympus E-PL1s being a Rangefinder-style mirrorless camera and the Pentax K-5 being a Mid-size SLR camera.

Before delving straight into a in depth comparison, below is a concise overview of how the E-PL1s grades against the K-5 in the way of portability, imaging, features and an overall rating.

The following is a sample of the gallery pics for Olympus PEN E-PL1s and Pentax K-5. The entire galleries are provided at Olympus E-PL1s Gallery and Pentax K-5 Gallery.

If you're going to carry your camera regularly, you are going to need to consider its weight and size. The Olympus E-PL1s comes with outside measurements of 115mm x 72mm x 42mm (4.5" x 2.8" x 1.7") with a weight of 334 grams (0.74 lbs) and the Pentax K-5 has specifications of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") with a weight of 740 grams (1.63 lbs).

See the Olympus E-PL1s vs Pentax K-5 in the new Camera and Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will vary based on the lens you are using at the time. Following is the front view sizing comparison of the E-PL1s and the K-5.

Taking into consideration size and weight, the portability rating of the E-PL1s and K-5 is 86 and 60 respectively.

Often, it's hard to see the difference between sensor sizing just by reading technical specs. The photograph below should give you a much better sense of the sensor sizing in the E-PL1s and K-5.

As you can tell, each of the cameras posses different megapixel count and different sensor sizing. The E-PL1s due to its tinier sensor will make getting bokeh more challenging and the Pentax K-5 will offer greater detail having its extra 4 Megapixels. Greater resolution will also allow you to crop pics somewhat more aggressively.