Depth of Field Preview Button Explained! (aka that mysterious button below your DSLR)
What is that little button on the bottom of your DSLR that does seemingly nothing?
Gear I use to film my YouTube videos:
https://kit.com/zyproductions/youtube...
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Royalty-free music I'm using for my videos (2 months FREE if you sign up using my link!):
https://artlist.io/artlist-70446/?art...
You can also license stock footage from Artgrid.io (same 2 bonus months applies!):
https://artgrid.io/Artgrid-114820/?ar...