The Independent recommends: Art

SUSAN DERGES'S extraordinary photograms in her show The River Tour reveal the natural world as it has never been seen before - a view from a riverbed looking up through the water. They are beautiful and mesmeric pictures which confirm her place as one of the most skilful and imaginative photographers working in Britain today.

Newlyn Art Gallery, Newlyn, Cornwall (01736-363715) to 24 Oct

Jonathan Miller's first role as an exhibition curator, with Mirror Image: Jonathan Miller on Reflection (above), has resulted in a shimmering show on the theme of reflection. Painted light plays across all manner of shiny surfaces as Velazquez, Van Dyck, Matisse and Freud are called into the debate between appearance and reality. Plenty of old favourites.

The National Gallery, Trafalgar Square, London WC2 (0171-747 2885) to 13 Dec