In “Observatório de tangentes”, Valter Ventura departs from the historical figure Étienne-Jules Marey (1830-1904) and his 1882 invention, the Fusil photographique. By recovering an object from the past that itself represents a cultural intersection, Ventura proposes to examine the “photographic” within its multiple overlapping circumstances (technological, philosophical, aesthetic and communicational), pursuing in the origins of photography and its various devices the hidden genesis of the identity crisis that photography undergoes today.

SONAE Room
entry: General ConditionsObservatório de tangentes
Valter Ventura
2017-02-17
2017-05-07
On Exhibition
The Ascension of Mont Ventoux
Manuel Valente Alves
2025-10-26
2026-02-16
Curatorship: Lúcia Saldanha
Photographs, drawings and paintings, by Manuel Valente Alves that develop a poetic dialogue with Petrarch's letter of the same name (Ascensus Montis Ventosi), written in 1336.
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2025-10-16
2026-02-01
Curatorship: Susana Lourenço Marques, Emília Tavares
This exhibition, in partnership with the Porto Museum, presents the work of three amateur photographers - Margarida Relvas, Mariana Relvas and Maria da Conceição de Lemos Magalhães - developed in Portugal between 1860-1920.
Mily Possoz. A poetics of space
2025-10-01
2026-02-01
Curatorship: Emília Ferreira
The exhibition “Mily Possoz. A Poetics of Space” continues the research into the lesser-studied Portuguese modernists artists present in the collections of the MNAC and Millennium bcp.
Impressões Digitais. MNAC Collection
2024-12-12
2026-12-30
Curatorship: Ana Guimarães, Emília Ferreira, Maria de Aires Silveira e Tiago Beirão Veiga
Consisting of founding works of contemporary Portuguese art historiography, from 1850 to the present day, the MNAC's collection holds several national treasures.
Since 1911
2022-05-26
2026-05-26
An intervention that celebrates 110 years of the MNAC.




