One of the more annoying aspects of Fallout 76 is its overly-aggressive depth of field. Just about everything beyond your crosshairs is rendered blurry and difficult to see. There is a solution to this problem!
First, locate the Fallout76 directory where your copy of Fallout is installed. If you installed Fallout from the Bethesda.net Launcher on Windows, it may be located in C:\Program Files (x86)\Bethesda.net Launcher\games\Fallout76. This folder may be located elsewhere depending on how you installed the software. A quick search for the Fallout76 directory should get you to the right place.
From there, right-click a blank area of the File Manager and select New > Text Document. This will create a New Text Document.txt file in the Fallout76 directory.
Rename that file to fallout76custom.ini.
Now, open the file in a text editor (such as Notepad), and paste the following:
[ImageSpace] bDoDepthOfField = 0 bDynamicDepthOfField = 0 bMBEnable = 0 bLensFlare = 0 bScreenSpaceBokeh = 0 bDoRadialBlur = 0
All you need to do now is save the file and load Fallout 76. Once you are playing the game, you’ll notice that everything is clear!