Olympus E-PL1s vs Sony A9

In this write-up, we are evaluating the Olympus E-PL1s and Sony A9, former being a Entry-Level Mirrorless while the other is a Pro Mirrorless by companies Olympus and Sony. There is a sizable difference between the image resolutions of the E-PL1s (12MP) and A9 (24MP) and the E-PL1s (Four Thirds) and A9 (Full frame) use totally different sensor dimensions.

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The E-PL1s was unveiled 7 years prior to the A9 and that is quite a significant difference as far as tech is concerned. Both the cameras offer different body type with the Olympus E-PL1s being a Rangefinder-style mirrorless camera and the Sony A9 being a SLR-style mirrorless camera.

Before delving straight into a step-by-step comparison, below is a short synopsis of how the E-PL1s scores versus the A9 with regards to portability, imaging, features and an overall grade.

Below is a sample of the gallery pics for Olympus PEN E-PL1s & Sony Alpha A9. The full galleries are provided at Olympus E-PL1s Gallery & Sony A9 Gallery.

When you are aiming to lug around your camera often, you need to factor its weight and measurements. The Olympus E-PL1s comes with physical measurements of 115mm x 72mm x 42mm (4.5" x 2.8" x 1.7") and a weight of 334 grams (0.74 lbs) whilst the Sony A9 has proportions of 127mm x 96mm x 63mm (5.0" x 3.8" x 2.5") and a weight of 673 grams (1.48 lbs).

Contrast the Olympus E-PL1s and Sony A9 in our completely new Camera & Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will change depending on the lens you select at that time. Below is the front view physical size comparison of the E-PL1s vs the A9.

Taking into account size and weight, the portability score of the E-PL1s and A9 is 86 and 65 respectively.

Usually, it is very hard to envision the contrast between sensor measurements only by looking at specifications. The graphic below might provide you a better sense of the sensor sizing in the E-PL1s and A9.

Plainly, both of those cameras offer different resolutions and different sensor measurements. The E-PL1s using its tinier sensor will make shooting bokeh tougher and the Sony A9 will give extra detail having an extra 12MP. Greater resolution will enable you to crop pics a little more aggressively. The older E-PL1s is going to be disadvantaged with regard to sensor technology.