In the context of portrait photography, what are the key considerations for selecting lenses, and how do different focal lengths affect the perspective and depth of field in portraits?
How can photographers utilize natural and artificial light sources to enhance their compositions, and what are the best practices for avoiding common lighting pitfalls?
What techniques can be employed to effectively capture motion in photography, and how do they vary between different types of movement, such as fast action vs. slow motion?
5. **What are the ethical considerations and controversies surrounding the commodification of art in the Modern and Contemporary art markets, and how do they affect artists and collectors?
4. **How do Modern and Contemporary Art challenge traditional definitions of what constitutes art, and how have movements like Conceptual Art and Performance Art contributed to this discourse?
