Just push
, then
, then keep pressing the
button. In a very short amount of time, you'll have the achievement.
The game does have many neat areas and vistas, though, so it's possible you'll get this without trying if you're a fan of photo modes.
Based on AmagiciaNamdGob's comment, it would be best to do this once you're outside Vault 76. They were unable to get the achievement while still in the Vault.