Nikon D3400 weighs 395 g (0.87 lb / 13.93 oz)
and has external dimensions of 124 x 98 x 76 mm (4.88 x 3.86 x 2.99″)
. Considering that the average weight of DSLR type cameras is 773g, Nikon D3400 is a remarkably light camera for its class. With a thickness of 76mm, it has an average thickness for its class.
Here is the front and top view image of Nikon D3400 with the dimensions:
In order to give you a better idea about the real life size of Nikon D3400, we have added an image of how it looks next to a credit card and an AA type battery.
Now let's compare Nikon D3400 size with the camera that it replaced: Nikon D3300. As depicted on the comparison image, and have the exact same height, width and thickness.
Below you can find the comparison of the weight and thickness of Nikon D3400 with its main competitors:
Nikon D3400 doesn't have any environmental sealings on its body so you got to be extra careful to protect it against water and dust. If you shoot under these conditions very often, consider checking Top DSLR Cameras with Weather Sealing page.