Olympus E-M1 II vs Panasonic S1

In this article, we are comparing the Olympus E-M1 II versus Panasonic S1, both Pro Mirrorless cameras by manufacturers Olympus and Panasonic. The image resolution of the E-M1 II (20MP) and the S1 (24MP) is very comparable but the E-M1 II (Four Thirds) and S1 (Full frame) feature totally different sensor dimensions.

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The E-M1 II was launched 3 years earlier than the S1 which is a fairly serious difference as far as camera tech is concerned. Both the cameras offer the identical body type (SLR-style mirrorless).

Before we go through a thorough comparison, below is a simple highlight of how the E-M1 II grades vs the S1 with respect to portability, imaging, features and an overall score.

The following is a sample of the gallery pics for Olympus OM-D E-M1 Mark II & Panasonic Lumix DC-S1. The complete galleries are viewable at Olympus E-M1 II Gallery & Panasonic S1 Gallery.

If you are looking to carry around your camera frequently, you'll need to think about its weight and volume. The Olympus E-M1 II features outer measurements of 134mm x 91mm x 67mm (5.3" x 3.6" x 2.6") accompanied by a weight of 574 grams (1.27 lbs) whilst the Panasonic S1 has sizing of 149mm x 110mm x 97mm (5.9" x 4.3" x 3.8") having a weight of 1021 grams (2.25 lbs).

Contrast the Olympus E-M1 II versus Panasonic S1 in our completely new Camera plus Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will vary dependant on the lens you have chosen during that time. Here is the front view physical size comparison of the E-M1 II versus the S1.

Taking into account size and weight, the portability score of the E-M1 II and S1 is 68 and 54 respectively.

Often, it can be hard to envision the contrast in sensor sizes purely by checking out specs. The image here might provide you a stronger sense of the sensor measurements in the E-M1 II and S1.

As you can plainly see, both of those cameras enjoy different resolutions and different sensor sizes. The E-M1 II due to its smaller sensor will make achieving bokeh more difficult and the Panasonic S1 will produce greater detail utilizing its extra 4 Megapixels. Greater resolution will let you crop pics far more aggressively. The more aged E-M1 II will be behind when it comes to sensor innovation.