Canon RF 10-20 mm f4L IS STM vs Canon RF 28 mm f2.8 STM

Key differences

The Canon RF 10-20 mm f4L IS STM has 0.02 m more closest focusing distance than the Canon RF 28 mm f2.8 STM (0.25 m vs 0.23 m). The Canon RF 10-20 mm f4L IS STM has 1.2 more maximum aperture number than the Canon RF 28 mm f2.8 STM (4 vs 2.8). The Canon RF 10-20 mm f4L IS STM has 2 more diaphragm blades than the Canon RF 28 mm f2.8 STM (9 vs 7). Only the Canon RF 10-20 mm f4L IS STM has image stabilizer. Only the Canon RF 10-20 mm f4L IS STM has lens hood.

• Lens structure (elements/groups)
  • RF 10-20 mm f4L IS STM:16/12
  • RF 28 mm f2.8 STM:8/6
• Lens viewing angle, horizontal
  • RF 10-20 mm f4L IS STM:121° 55' - 84°
  • RF 28 mm f2.8 STM:65°
• Lens viewing angle, vertical
  • RF 10-20 mm f4L IS STM:100° 25' - 62°
  • RF 28 mm f2.8 STM:46°
• Lens viewing angle, diagonal
  • RF 10-20 mm f4L IS STM:130° 25' - 94°
  • RF 28 mm f2.8 STM:75°
• Focal length range
  • RF 10-20 mm f4L IS STM:10 - 20 mm
  • RF 28 mm f2.8 STM:28 - 28 mm
• Closest focusing distance
  • RF 10-20 mm f4L IS STM:0.25 m
  • RF 28 mm f2.8 STM:0.23 m
• Maximum aperture number
  • RF 10-20 mm f4L IS STM:4
  • RF 28 mm f2.8 STM:2.8
• Number of diaphragm blades
  • RF 10-20 mm f4L IS STM:9
  • RF 28 mm f2.8 STM:7