Zeiss vs Zeiss. The Sony 50 1.4 vs 55 1.8.
Sony FE 50mm F1.8 vs Zeiss 50mm F1.4 Planar vs Zeiss 55mm F1.8 Sonnar
Sony Carl Zeiss Planar T* FE 50mm f/1.4 ZA lens review - DXOMARK
Zeiss FE 55mm f/1.8
Planar FE 50mm f/1.4 or Sonnar FE 55mm f/1.8 (UPDATE) - Mark Galer
Sony 50mm F1.4 ZA SSM Carl Zeiss Planar T* vs Sony FE 55mm F1.8 ZA Carl Zeiss Sonnar T*: What is the difference?
Sony Zeiss Planar T* FE 50mm F1.4 ZA Review
Sony Carl Zeiss Sonnar T* FE 55 mm f/1.8 ZA review - Introduction
Sony FE 50mm F1.8 vs Sony FE 55mm F1.8 ZA Sonnar T Detailed Lens Comparison
Shootout - Shootout: Sony FE 55mm Sonnar, Zeiss Loxia 50mm Planar, Leica 50mm Summilux-M Compared
Sony Carl Zeiss Planar T* FE 50mm 1.4 ZA - DXOMARK
Sony FE 50mm f/1.8 vs Sony Zeiss FE 55mm f/1.8 for street photography : r/SonyAlpha