Answer :
Final answer:
The invention of paint tubes was crucial for Impressionist artists, as it allowed them to paint outdoors easily. This innovation enabled artists to transport and use paint efficiently while capturing natural landscapes in real-time. Although sturdier easels and stretched canvases were beneficial, it was the paint tubes that truly facilitated the en plein air painting technique.
Explanation:
Impressionist Artists and Outdoor Painting
The development that most significantly enabled Impressionist artists to paint outdoors, also known as "en plein air," was the invention of paint tubes. Before paint tubes, artists had to use large pots of paint that were difficult to transport. With the emergence of portable, collapsible tubes, artists could carry their preferred colors with ease and apply them to canvas while surrounded by natural light and landscapes.
This innovation not only allowed for greater convenience but also encouraged spontaneity in artworks, leading to the characteristic style of Impressionism, which emphasized the effects of light and color observed in real-time. Other developments such as sturdier easels and stretched canvases also played a role, but it was the paint tubes that were revolutionary in expanding where and how artists worked.
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