Size and weight are big decision factors when you are trying to find the ideal camera for your needs.
In this section, we are going to illustrate the Olympus E-M10 II and Olympus E-M10 III side-by-side from the front, back and top in their relative dimensions. Olympus E-M10 II has external dimensions of 120 x 83 x 47 mm (4.72 x 3.27 x 1.85″) and weighs 390 g (0.86 lb / 13.76 oz) (including batteries). Olympus E-M10 III has external dimensions of 122 x 84 x 50 mm (4.8 x 3.31 x 1.97″) and weighs 410 g (0.90 lb / 14.46 oz) (including batteries).
Below you can see the front-view size comparison of the Olympus E-M10 II and the Olympus E-M10 III. Olympus E-M10 II is clearly the smaller of the two cameras. Its body is 2mm narrower, 1mm shorter and 3mm thinner than Olympus E-M10 III.
Here is the back view size comparison of the Olympus E-M10 II and Olympus E-M10 III.
Now lets look at the top view comparison of Olympus E-M10 II and Olympus E-M10 III.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Olympus E-M10 II is 20g lighter than the Olympus E-M10 III but we don't think this will make a significant difference.
Also keep in mind that body weight is not the only deciding factor when comparing two interchangeable camera bodies, you also have to take into account the lenses that you will be using with these bodies. Since both Olympus E-M10 II and Olympus E-M10 III have the same Micro Four Thirds lens mount and Four Thirds sized sensors, lenses will not be a differentiator on total size of the system.
Unfortunately neither the Olympus OM-D E-M10 II nor Olympus OM-D E-M10 Mark III provides any type of weather sealing in their bodies, so you have to give extra care especially when you are shooting outdoors. If weather sealing is a must-have feature for you, check these sections: Top Mirrorless Cameras with Weather Sealing
LCD Screen Size and Features
Olympus E-M10 II and Olympus E-M10 III's LCD screens have the same diagonal size of 3.00 inches.
Both cameras feature Tilting screens
where you can change the angle of the screen to make it easier to shoot from waist or over-the-head levels.