その一瞬、永遠に:
Affordable f0.95 lens design? | 11 elements in 8 groups (Zhongyi Mitakon Speedmaster 50mm f/0.95)
その一瞬、永遠に:
Affordable f0.95 lens design? 11 elements in 8 groups (TTartisans 50mm f0.95 vs 7artisans 35mm f.095)