Canon RF 50mm f/1.8 STM vs Canon RF20mm F1.4 L VCM

Key differences

The Canon RF 50mm f/1.8 STM has 30 mm more fixed focal length than the Canon RF20mm F1.4 L VCM (50 mm vs 20 mm). The Canon RF 50mm f/1.8 STM has 0.1 m more closest focusing distance than the Canon RF20mm F1.4 L VCM (0.3 m vs 0.2 m). The Canon RF 50mm f/1.8 STM has 0.4 more maximum aperture number than the Canon RF20mm F1.4 L VCM (1.8 vs 1.4). Component for: SLR on the Canon RF 50mm f/1.8 STM, MILC on the Canon RF20mm F1.4 L VCM. Lens structure (elements/groups): 6/5 on the Canon RF 50mm f/1.8 STM, 15/11 on the Canon RF20mm F1.4 L VCM.

• Component for
  • RF 50mm f/1.8 STM:SLR
  • RF20mm F1.4 L VCM:MILC
• Lens structure (elements/groups)
  • RF 50mm f/1.8 STM:6/5
  • RF20mm F1.4 L VCM:15/11
• Fixed focal length
  • RF 50mm f/1.8 STM:50 mm
  • RF20mm F1.4 L VCM:20 mm
• Closest focusing distance
  • RF 50mm f/1.8 STM:0.3 m
  • RF20mm F1.4 L VCM:0.2 m
• Maximum aperture number
  • RF 50mm f/1.8 STM:1.8
  • RF20mm F1.4 L VCM:1.4
• Minimum aperture number
  • RF 50mm f/1.8 STM:22
  • RF20mm F1.4 L VCM:16
• Number of aspheric elements
  • RF 50mm f/1.8 STM:1
  • RF20mm F1.4 L VCM:2
• Number of diaphragm blades
  • RF 50mm f/1.8 STM:7
  • RF20mm F1.4 L VCM:11