Size and weight is a big decision factor when you are trying to find the ideal camera for your needs.
In this section, We are going to illustrate Sony A7 and Nikon Z5 side-by-side from the front, back and top in their relative dimensions. Sony A7 has external dimensions of 127 x 94 x 48 mm (5 x 3.7 x 1.89″) and weighs 474 g (1.04 lb / 16.72 oz) (including batteries). Nikon Z5 has external dimensions of 134 x 101 x 70 mm (5.28 x 3.98 x 2.76″) and weighs 675 g (1.49 lb / 23.81 oz) (including batteries).
Below you can see the front view size comparison of Sony A7 and Nikon Z5. Sony A7 is clearly the smaller of the two cameras. Its body is 7mm narrower, 7mm shorter and 22mm thinner than Nikon Z5.
Comparison image of Sony A7 and Nikon Z5 Size, Weight and External Dimensions - Front View
Here is the back view size comparison of Sony A7 and Nikon Z5.
Comparison image of Sony A7 and Nikon Z5 Size and Weight - Back View
Now lets look at the top view comparison of Sony A7 and Nikon Z5.
Top View Comparison image of Sony A7 and Nikon Z5 Size
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Sony A7 is significantly lighter (201g ) than the Nikon Z5 which may become a big advantage especially on long walking trips.
Also keep in mind that body weight is not the only deciding factor when comparing two interchangeable camera bodies, you have to also take into account the lenses that you will be using with these bodies. Since both Sony A7 and Nikon Z5 have the same Full frame sized sensor, their lenses for a similar focal length and aperture will be similar in size and weight.
Weather Sealing
Both A7 and Z5 have weather sealings in their body, making them resistant to water and dust.
LCD Screen Size and Features
Nikon Z5's 3.2" LCD screen is slightly larger than Sony A7's 3" screen.