Light is not a medium. It carries nothing; it stores nothing; it represents nothing. Light is the condition under which media become possible, operating as the pre-medial ground of visibility itself. This is precisely why it cannot bear meaning; meaning requires resistance, and light, left to itself, passes through the world without remainder. Only matter can hold meaning, because only matter interrupts.

Installation view, © Tate London (Photography: Liam Man).

McCall’s haze is not atmospheric decoration but an ethical condition, enforcing a mode of relation grounded in both partiality and restraint. By preventing total clarity, it protects the work, and by extension, the viewer, from overdetermination. What matters here — and the word bears its full weight — is not simply what is physically present, but what is permitted to count.

Installation view, © Tate London (Photography: Liam Man)

Installation view, © Tate London (Photography: Josh Croll)

Visibility resists neutrality because matter is never neutral; the mist determines what can be seen, how edges form, where the beam gains density or dissipates. Light does not transcend its material conditions; it remains bound to air, dust, and movement.

Installation view, © Tate London (Photography: Liam Man)

Publisher:
ESPACE art actuel ↗︎
Year:
May 2026
Photos:
Tate London ↗︎Exhibition Guide ↗︎
Citation: Barsamian, Philipe, and Maegan Beck. "Shimmer: Anthony McCall and the Opacity of Light." Revue ESPACE art actuel 143 (2026).
Shimmer: Anthony McCall and the Opacity of Light Installation view, © Tate London (Photography: Josh Croll).

"Shimmer: Anthony McCall and the Opacity of Light"

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