Canon RF 10-20 mm f4L IS STM vs Canon RF100-400mm F5.6-8 IS USM

Key differences

The Canon RF100-400mm F5.6-8 IS USM has 0.63 m more closest focusing distance than the Canon RF 10-20 mm f4L IS STM (0.88 m vs 0.25 m). The Canon RF100-400mm F5.6-8 IS USM has 4 more maximum aperture number than the Canon RF 10-20 mm f4L IS STM (8 vs 4). The Canon RF100-400mm F5.6-8 IS USM has 23 more minimum aperture number than the Canon RF 10-20 mm f4L IS STM (45 vs 22). Lens structure (elements/groups): 16/12 on the Canon RF 10-20 mm f4L IS STM, 12/9 on the Canon RF100-400mm F5.6-8 IS USM. Lens type: Wide zoom lens on the Canon RF 10-20 mm f4L IS STM, Telephoto lens on the Canon RF100-400mm F5.6-8 IS USM.

• Lens structure (elements/groups)
  • RF 10-20 mm f4L IS STM:16/12
  • RF100-400mm F5.6-8 IS USM:12/9
• Lens type
  • RF 10-20 mm f4L IS STM:Wide zoom lens
  • RF100-400mm F5.6-8 IS USM:Telephoto lens
• Lens viewing angle, horizontal
  • RF 10-20 mm f4L IS STM:121° 55' - 84°
  • RF100-400mm F5.6-8 IS USM:20°
• Lens viewing angle, vertical
  • RF 10-20 mm f4L IS STM:100° 25' - 62°
  • RF100-400mm F5.6-8 IS USM:14°
• Lens viewing angle, diagonal
  • RF 10-20 mm f4L IS STM:130° 25' - 94°
  • RF100-400mm F5.6-8 IS USM:24°
• Focal length range
  • RF 10-20 mm f4L IS STM:10 - 20 mm
  • RF100-400mm F5.6-8 IS USM:100 - 400 mm
• Closest focusing distance
  • RF 10-20 mm f4L IS STM:0.25 m
  • RF100-400mm F5.6-8 IS USM:0.88 m
• Maximum aperture number
  • RF 10-20 mm f4L IS STM:4
  • RF100-400mm F5.6-8 IS USM:8