Helium is lightweight Roblox Studio plugin for camera bookmarks. It's based on Unreal Engine's camera behavior.
Helium.Demo.mp4
To create camera bookmark hold alt and press on of these keys: 1, 2, 3, 4, 5, 6, 7, 8, 9, 0. Each key stands for the slot that current camera position and rotation will be saved on.
To load specific bookmark just press on of these keys: 1, 2, 3, 4, 5, 6, 7, 8, 9, 0. Each key stands for the slot that camera position and rotation was previously saved on.
You can open menu by pressing Helium icon at the Plugins
tab. There you can completely disable keybindings and manually remove, create and load bookmarks.