Explore a comprehensive field test comparing four high-performance lenses for Milky Way astrophotography. Learn about the unique challenges of capturing sharp stars and the importance of fast apertures in night sky photography. Discover how the Nikon 14-24mm f/2.8, Zeiss Milvus 15mm f/2.8, Rokinon SP 14mm f/2.4, and Sigma Art 14mm f/1.8 perform in real-world conditions. Gain insights into focusing techniques, image quality comparisons at f/2.8, and the performance of the Sigma and Rokinon lenses at their widest apertures. Conclude with a summary of findings to help determine the best lens for your astrophotography needs.