Impressionism (jan 1, 1860 – jan 1, 1880)
Description:
 1. Objective depictions
2. Focus on the process, rather than the imagery 
3. Plein Air (due to the invention of color tubes)
4. depicts color and light, not imagery (influenced by the scientific understanding of how eyes work)
5. Diagonal and Cropping composition
6. Also influenced by Photography and Japanese Wood Print
7. No unify style 
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