His Impressionism changed into a dazzling Luminism. He painted a series of famous views of the River Thames when in exile in London.
luminism
From detailed realism in a Barbizon style around 1880, his paintings steadily filled with rich light, through Impressionism the 1890s.
Having moved on from Divisionism, the chroma in his paintings rose to a peak by about 1918, after his retirement to the Côte d’Azur.
In addition to painting one of the major Neo-Impressionist masterpieces showing poplar trees, he built a series of Post-Impressionist pines-beach-bathers of distinction.
The influence of the Impressionists led Claus from rural realism to his distinctive ‘luminism’ and eventually, whilst in exile in London, to his own variant of impressionism.