![Background Relevance - Comparing the 21mm, 35mm, and 50mm Focal Lengths in Rome — STREET SILHOUETTES Background Relevance - Comparing the 21mm, 35mm, and 50mm Focal Lengths in Rome — STREET SILHOUETTES](https://images.squarespace-cdn.com/content/v1/5739407e7c65e49dc22407aa/1532622615192-ZR1BKCO3BSNRYS9BOAWK/21-A-1005.jpg?format=1000w)
Background Relevance - Comparing the 21mm, 35mm, and 50mm Focal Lengths in Rome — STREET SILHOUETTES
![Leica 21mm Super-Elmar-M f/3.8 ASPH ultra wide angle lens - Thorsten Overgaard's Leica Photography Pages Leica 21mm Super-Elmar-M f/3.8 ASPH ultra wide angle lens - Thorsten Overgaard's Leica Photography Pages](https://www.overgaard.dk/thorstenovergaard_copyrighted_photos/1163-leica-magnum-paris-june-2011/L1120806_CROP_GIFT_640w.jpg)
Leica 21mm Super-Elmar-M f/3.8 ASPH ultra wide angle lens - Thorsten Overgaard's Leica Photography Pages
![Amazon.com : Rokinon RK21M-MFT-SIL 21mm F1.4 ED AS UMC High Speed Wide Angle Lens for Olympus & Panasonic (Silver) : Electronics Amazon.com : Rokinon RK21M-MFT-SIL 21mm F1.4 ED AS UMC High Speed Wide Angle Lens for Olympus & Panasonic (Silver) : Electronics](https://m.media-amazon.com/images/I/91ai0I6Dz2L._AC_UF894,1000_QL80_.jpg)
Amazon.com : Rokinon RK21M-MFT-SIL 21mm F1.4 ED AS UMC High Speed Wide Angle Lens for Olympus & Panasonic (Silver) : Electronics
![Amazon.com : Rokinon RK21M-E 21mm F1.4 ED AS UMC High Speed Wide Angle Lens for Sony (Black) : Electronics Amazon.com : Rokinon RK21M-E 21mm F1.4 ED AS UMC High Speed Wide Angle Lens for Sony (Black) : Electronics](https://m.media-amazon.com/images/I/61XppoJqsFL._AC_UF894,1000_QL80_.jpg)