Emily Allchurch, Xavier Bray and Minna Moore Ede When the eighteenth-century vedute painter, Canaletto, employed his camera obscura to paint the Grand Canal in Venice it was not only topographical accuracy he was seeking but also an aid to framing and editing his compositions. The camera obscura, a small box which rendered the three-dimensional world into two dimensions, had been used by artists since the sixteenth-century. According to the contemporary painter David Hockney, its use was far more widespread than is admitted by art historians today, employed by countless artists over the centuries as their ‘secret weapon’. Whether or not Hockney is correct, the way in which artists construct their images has always been a point of interest for their audience. It is this that is so compelling about the work of Emily Allchurch, for in an innovative reversal of this way of rationalising the world, she uses the Old Masters as her own camera obscura. Exploiting celebrated compos...