Canon RF 135mm F1.8 L IS USM vs Canon RF-S 7.8 mm F4 STM Dual

Key differences

The Canon RF-S 7.8 mm F4 STM Dual has 48° more lens viewing angle, horizontal than the Canon RF 135mm F1.8 L IS USM (63° vs 15°). The Canon RF-S 7.8 mm F4 STM Dual has 53° more lens viewing angle, vertical than the Canon RF 135mm F1.8 L IS USM (63° vs 10°). The Canon RF 135mm F1.8 L IS USM has 127.2 mm more fixed focal length than the Canon RF-S 7.8 mm F4 STM Dual (135 mm vs 7.8 mm). Only the Canon RF 135mm F1.8 L IS USM has zoom capability. Only the Canon RF 135mm F1.8 L IS USM has dustproof.

• Lens structure (elements/groups)
  • RF 135mm F1.8 L IS USM:17/12
  • RF-S 7.8 mm F4 STM Dual:9/7
• Lens type
  • RF 135mm F1.8 L IS USM:Telephoto zoom lens
  • RF-S 7.8 mm F4 STM Dual:Stereoscopic lens
• Lens viewing angle, horizontal
  • RF 135mm F1.8 L IS USM:15°
  • RF-S 7.8 mm F4 STM Dual:63°
• Lens viewing angle, vertical
  • RF 135mm F1.8 L IS USM:10°
  • RF-S 7.8 mm F4 STM Dual:63°
• Fixed focal length
  • RF 135mm F1.8 L IS USM:135 mm
  • RF-S 7.8 mm F4 STM Dual:7.8 mm
• Lens viewing angle, diagonal
  • RF 135mm F1.8 L IS USM:18°
  • RF-S 7.8 mm F4 STM Dual:63°
• Closest focusing distance
  • RF 135mm F1.8 L IS USM:0.7 m
  • RF-S 7.8 mm F4 STM Dual:0.15 m
• Image sensor format
  • RF 135mm F1.8 L IS USM:Full frame
  • RF-S 7.8 mm F4 STM Dual:APS-C