OM System OM-1 vs Olympus E-M10 III

Following is a extensive comparison of the OM System OM-1 vs Olympus E-M10 III, former is a Pro Mirrorless while the latter is a Entry-Level Mirrorless and both are manufactured by Olympus. There is a considerable difference among the resolutions of the OM System OM-1 (20MP) and E-M10 III (16MP) but they possess the same exact sensor measurements (Four Thirds).

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The OM System OM-1 was manufactured 4 years after the E-M10 III which is a fairly large difference as far as camera tech is concerned. Both of the cameras offer the identical body type (SLR-style mirrorless).

Before going straight into a comprehensive comparison, below is a brief overview of how the OM System OM-1 scores vs the E-M10 III with regards to portability, imaging, features and an overall score.

Below is a preview of the gallery photos for OM System OM-1 & Olympus OM-D E-M10 Mark III. The entire galleries are viewable at OM System OM-1 Gallery & Olympus E-M10 III Gallery.

If you are intending to carry around your camera, you are going to need to factor in its weight and measurements. The OM System OM-1 has got outside dimensions of 135mm x 92mm x 73mm (5.3" x 3.6" x 2.9") accompanied by a weight of 599 grams (1.32 lbs) while the Olympus E-M10 III has proportions of 122mm x 84mm x 50mm (4.8" x 3.3" x 2.0") having a weight of 410 grams (0.90 lbs).

Analyze the OM System OM-1 vs Olympus E-M10 III in our newest Camera & Lens Size Comparison Tool.

Remember, the weight of an ILC will change depending on the lens you select during that time. Underneath is the front view overall size comparison of the OM System OM-1 versus the E-M10 III.

Using size and weight, the portability grade of the OM System OM-1 and E-M10 III is 65 and 80 respectively.

Often, it is hard to visualize the contrast in sensor sizes just by viewing a spec sheet. The pic here may provide you a more clear sense of the sensor sizes in the OM System OM-1 and E-M10 III.

As you can see, both of these cameras offer the same exact sensor sizing albeit different megapixels. You can count on the OM System OM-1 to result in more detail due to its extra 4 Megapixels. Higher resolution can also make it easier to crop photographs a little more aggressively. The more recent OM System OM-1 should have an advantage with regard to sensor innovation.