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 Nikon 1 J4 and FujiFilm HS20 EXR side-by-side from the front, back and top in their relative dimensions. Nikon 1 J4 has external dimensions of 100 x 60 x 29 mm (3.92 x 2.36 x 1.12″) and weighs 232 g (0.51 lb / 8.18 oz) (including batteries). FujiFilm HS20 EXR has external dimensions of 131 x 91 x 126 mm (5.16 x 3.58 x 4.96″) and weighs 730 g (1.61 lb / 25.75 oz) (including batteries).
Below you can see the front-view size comparison of the Nikon 1 J4 and the FujiFilm HS20 EXR. Nikon 1 J4 is clearly the smaller of the two cameras. Its body is 31mm narrower, 31mm shorter and 97mm thinner than FujiFilm HS20 EXR. As you can tell, actually this is not a fair size comparison since FujiFilm HS20 EXR has a built-in lens but Nikon 1 J4 doesn't. Once you put a lens on 1 J4, its thickness will increase significantly.
Here is the back view size comparison of the Nikon 1 J4 and FujiFilm HS20 EXR.
Now lets look at the top view comparison of Nikon 1 J4 and FujiFilm HS20 EXR.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Nikon 1 J4 is significantly lighter (498g ) than the FujiFilm HS20 EXR which may become a big advantage especially on long walking trips.
Again, this comparison may not be very useful in real life as we are comparing the weight of a camera with a built-in lens to the body-only weight of an interchangeable lens camera. Once you put a lens on 1 J4, the total kit will weigh much higher.
Weather Sealing
Unfortunately neither the Nikon 1 J4 nor FujiFilm FinePix HS20 EXR (FinePix HS22 EXR) 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 Top Bridge Cameras with Weather Sealing
LCD Screen Size and Features
Nikon 1 J4 and FujiFilm HS20 EXR's LCD screens have the same diagonal size of 3.00 inches.
On the other hand, FujiFilm HS20 EXR features a
Tilting screen where you can change the angle of the screen to make it easier to shoot from waist or over-the-head levels whereas the Nikon 1 J4 has a fixed type screen which provides less flexibility in shooting positions compared to HS20 EXR.