“Emanations” was, according to the Govett-Brewster Art Gallery, the world’s first comprehensive survey of cameraless photography. That it was happening here and now was the result of several factors coming together at just the right time: the opening of the Len Lye Centre at the Govett-Brewster; the return of New Zealander Simon Rees from Europe to take up its directorship in 2014; the fact that one of the world’s most prominent theorists of photography, Geoffrey Batchen, is now based at Wellington’s Victoria University; and an increasing curatorial fascination at the center with two groups of