Canon R100 vs Olympus E-PM1

Below is a in-depth analysis of the Canon R100 and Olympus E-PM1, both Entry-Level Mirrorless cameras by competitors Canon and Olympus. There exists a crucial gap among the sensor resolutions of the R100 (24MP) and E-PM1 (12MP) and the R100 (APS-C) and E-PM1 (Four Thirds) use totally different sensor measurements.

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The R100 was announced 11 years later than the E-PM1 and that is a fairly serious gap as far as camera technology is concerned. The two cameras offer different body type with the Canon R100 being a SLR-style mirrorless camera and the Olympus E-PM1 being a Rangefinder-style mirrorless camera.

Before getting through a step-by-step comparison, below is a concise view of how the R100 scores versus the E-PM1 when considering portability, imaging, features and an overall grade.

Following is a sample of the gallery pics for Canon EOS R100 and Olympus PEN E-PM1. The whole galleries are provided at Canon R100 Gallery and Olympus E-PM1 Gallery.

If you are intending to lug around your camera regularly, you're going to have to factor in its weight and proportions. The Canon R100 provides outer dimensions of 116mm x 86mm x 69mm (4.6" x 3.4" x 2.7") and a weight of 356 grams (0.78 lbs) whilst the Olympus E-PM1 has measurements of 110mm x 64mm x 34mm (4.3" x 2.5" x 1.3") with a weight of 265 grams (0.58 lbs).

Contrast the Canon R100 and Olympus E-PM1 in the new Camera and Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will differ depending on the lens you have at the time. Following is the front view physical size comparison of the R100 versus the E-PM1.

Factoring in dimensions and weight, the portability score of the R100 and E-PM1 is 76 and 89 respectively.

More often than not, it is very hard to visualise the gap in sensor measurements just by researching technical specs. The visual here will help provide you a better sense of the sensor sizes in the R100 and E-PM1.

As you have seen, the two cameras offer different megapixel count and different sensor measurements. The R100 having a larger sensor will make getting shallow DOF less difficult and the Canon R100 will provide you with greater detail with its extra 12 Megapixels. Greater resolution will make it easier to crop pics a little more aggressively. The more modern R100 is going to have an edge with regard to sensor innovation.