
Telescope Lens
TrinketRepentanceLocked
How do you unlock Telescope Lens?
In The Binding of Isaac, Telescope Lens is unlocked by unlocking The Planetarium.
Structured pathSource-backed requirements are mapped into trackable steps.
Increases the chance for Planetariums to spawn even if one has been visited and allows Planetariums to spawn in Chapter 4.
How to unlock: Collect any 3 items with the 'stars' item tag in a single run
What unlocking Telescope Lens leads to
Nothing depends on this yet.
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13