Olympus E-M1 III vs Olympus TG-860

Here, we will be comparing the Olympus E-M1 III and Olympus TG-860, former being a Pro Mirrorless while the latter is a Waterproof and both of them are offered by Olympus. There is a substantial difference between the image resolutions of the E-M1 III (20MP) and TG-860 (16MP) and the E-M1 III (Four Thirds) and TG-860 (1/2.3") boast different sensor size.

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The E-M1 III was introduced 5 years later than the TG-860 and that is quite a big difference as far as tech is concerned. Both cameras feature different body design with the Olympus E-M1 III being a SLR-style mirrorless camera and the Olympus TG-860 being a Ultracompact camera.

Before getting right into a thorough comparison, here is a quick introduction of how the E-M1 III matches up versus the TG-860 in relation to portability, imaging, features and an overall rating.

This is a preview of the gallery images for Olympus OM-D E-M1 Mark III & Olympus Stylus Tough TG-860. The whole galleries are available at Olympus E-M1 III Gallery & Olympus TG-860 Gallery.

If you are looking to carry your camera, you should factor its weight and volume. The Olympus E-M1 III provides exterior measurements of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") accompanied by a weight of 580 grams (1.28 lbs) while the Olympus TG-860 has sizing of 110mm x 64mm x 28mm (4.3" x 2.5" x 1.1") having a weight of 224 grams (0.49 lbs).

Compare the Olympus E-M1 III and Olympus TG-860 in our brand new Camera plus Lens Size Comparison Tool.

Don't forget, the weight of an ILC will vary depending on the lens you have attached at that time. Below is a front view overall size comparison of the E-M1 III versus the TG-860.

Considering size and weight, the portability grade of the E-M1 III and TG-860 is 67 and 91 respectively.

Usually, its difficult to visualize the contrast between sensor sizing merely by going over a spec sheet. The visual here should provide you a clearer sense of the sensor sizing in the E-M1 III and TG-860.

Clearly, both the cameras come with different megapixel count and different sensor sizing. The E-M1 III having a bigger sensor is going to make achieving shallow DOF easier and the Olympus E-M1 III will offer you greater detail using its extra 4 Megapixels. Higher resolution can also help you crop shots a good deal more aggressively. The more modern E-M1 III should have an edge in sensor innovation.