Conversation so far:
What was Gustave Courbet's The Artist's Studio?
The Painter's Studio: A real allegory summing up seven years of my artistic and moral life is an 1855 oil on canvas painting by Gustave Courbet.
What made The Painter's Studio by Gustave Courbet special?
Gustave Courbet's The Artist's Studio is seen as a heroic venture, in which Courbet is flanked by friends and admirers on the right, and challenges and opposition to the left.

Question: What type of detail does it share?
Self-contained rewrite: What type of detail does The Painter's Studio by Gustave Courbet share?