**Requirements** Latest Version of Reshade ( https://reshade.me ) installed. 

Drop the preset you've just downloaded into the Shaders folder 
For exemple : 
C:\Program Files (x86)\Steam\steamapps\common\Sons Of The Forest\reshade-shaders\Shaders

Start the game and enjoy. 

Default keybind to zoom is ALT, however you can change it in the settings of the preset.