Olympus E-PL1s vs Sony a5100

Let's take a more detailed look at the Olympus E-PL1s and Sony a5100, both Entry-Level Mirrorless digital cameras by companies Olympus and Sony. There is a large difference between the sensor resolutions of the E-PL1s (12MP) and a5100 (24MP) and the E-PL1s (Four Thirds) and a5100 (APS-C) offer totally different sensor measurements.

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The E-PL1s was introduced 4 years prior to the a5100 which is quite a serious difference as far as tech is concerned. The two cameras have the same body design (Rangefinder-style mirrorless).

Before getting into a full comparison, here is a simple summary of how the E-PL1s scores versus the a5100 with regard to portability, imaging, features and an overall mark.

Following is a sample of the gallery pictures for Olympus PEN E-PL1s & Sony Alpha a5100. The whole galleries are available at Olympus E-PL1s Gallery & Sony a5100 Gallery.

When you are planning to travel with your camera regularly, you need to factor its weight and measurements. The Olympus E-PL1s comes with physical dimensions of 115mm x 72mm x 42mm (4.5" x 2.8" x 1.7") having a weight of 334 grams (0.74 lbs) while the Sony a5100 has proportions of 110mm x 63mm x 36mm (4.3" x 2.5" x 1.4") with a weight of 283 grams (0.62 lbs).

Contrast the Olympus E-PL1s and Sony a5100 in our completely new Camera & Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will change depending on the lens you are using at that moment. Following is a front view size comparison of the E-PL1s vs the a5100.

Considering size and weight, the portability rating of the E-PL1s and a5100 is 86 and 89 respectively.

Usually, it is very hard to visualise the gap between sensor dimensions merely by checking specifications. The picture underneath might give you a better sense of the sensor dimensions in the E-PL1s and a5100.

Plainly, both of those cameras have different megapixels and different sensor dimensions. The E-PL1s with its tinier sensor will make shooting shallower depth of field trickier and the Sony a5100 will resolve greater detail using its extra 12 Megapixels. Greater resolution will enable you to crop pics a bit more aggressively. The more aged E-PL1s is going to be behind with regard to sensor technology.