Pupil

The  is an artifact appearing in S.T.A.L.K.E.R.: Lost Alpha v1.4007.

"Born in the 'Whirligig' anomaly, in areas of increased thermal activity. In addition to the strange name, it has other interesting properties. The artifact is capable of absorbing a huge amount of radiation. After finding it, there is a difficult choice - to sell it for a lot of money, or keep it."

- Inventory description

Overview

 * Introduced to the game in v1.4007.
 * Top range "radiation" artifact.
 * Shares its appearance with the "Eye" but largely immobile.

Trivia

 * There is an artifact recipe to synthesize the Pupil.
 * It is generally wasteful of resources and involves difficult to source precursors.