Olympus E-M1 III vs Panasonic S1R

Let's look a little more in depth at the Olympus E-M1 III versus Panasonic S1R, both Pro Mirrorless cameras by companies Olympus and Panasonic. There is a big difference among the sensor resolutions of the E-M1 III (20MP) and S1R (47MP) and the E-M1 III (Four Thirds) and S1R (Full frame) possess different sensor measurements.

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The E-M1 III was introduced 13 months later than the S1R making the cameras a generation apart from each other. The two cameras come with the identical body type (SLR-style mirrorless).

Before getting straight into a complete comparison, below is a simple synopsis of how the E-M1 III scores vs the S1R for portability, imaging, features and an overall rating.

Below is a sample of the gallery pics for Olympus OM-D E-M1 Mark III and Panasonic Lumix DC-S1R. The whole galleries are viewable at Olympus E-M1 III Gallery and Panasonic S1R Gallery.

If you're looking to carry your camera regularly, you're going to have to take into account its weight and volume. The Olympus E-M1 III has exterior dimensions of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") having a weight of 580 grams (1.28 lbs) while the Panasonic S1R has sizing of 149mm x 110mm x 97mm (5.9" x 4.3" x 3.8") along with a weight of 1020 grams (2.25 lbs).

Check the Olympus E-M1 III versus Panasonic S1R in the new Camera and Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will vary dependant on the lens you are employing at that moment. Following is the front view measurements comparison of the E-M1 III compared to the S1R.

Looking at size and weight, the portability grade of the E-M1 III and S1R is 67 and 54 respectively.

Often, its tough to visualize the difference in sensor sizing purely by going through specifications. The graphic here will help provide you a stronger sense of the sensor sizes in the E-M1 III and S1R.

Plainly, both the cameras have got different megapixel count and different sensor sizing. The E-M1 III with its smaller sensor is going to make getting shallower DOF more challenging and the Panasonic S1R will show more detail using its extra 27MP. Greater resolution will enable you to crop images much more aggressively. The younger E-M1 III provides a benefit when it comes to sensor technology.