In this video, I did a detailed comparison between the Zeiss 50mm Planar and Leica 50mm Summicron V5. Both of the lenses are fan favourites and are great value for money.
timeline:
0:00 Intro: why 50mm?
1:51 Overview: Zeiss vs Leica
4:27 Optical Comparison
9:51 Lens design, fit & finish
13:04 Conclusion