A lightweight, vanilla-friendly and configurable hold-to-zoom feature with no required item and no gameplay changes.
Hold C to zoom in and use the mouse wheel while holding C to adjust the magnification. The selected level can be remembered for the current Minecraft session or reset after every use.
The key can be changed in Minecraft's normal Controls menu under the Easy Zoom category.
The generated config/easyzoom-client.toml lets you change:
Cinematic camera is disabled by default. Easy Zoom does not add or bind a separate F8 cinematic mode.