These 2 Canon EF-M lenses are rated for infrared photography from real-world tests by IR photographers. Ratings are Good (1 lens), Maybe (1 lens), Bad (0 lenses), and Unknown (0 lenses) for hot spots, the bright spot some lenses leave in the center of an infrared image, and follow the thresholds below.

IR Focal
Length		 Minimum
Aperture		 Lens Filter Weight Notes Images
Good 22mm ƒ/2 Canon EF-M 22mm ƒ/2 STM
 ⌀43mm   The vignetting seems to be more prominent in IR than in normal color, but it’s still easy to correct in post. Craig Bettenhausen  
Maybe 18-55mm ƒ/3.5-5.6 Canon EF-M 18-55mm ƒ/3.5-5.6 IS STM
 ⌀52mm   At its widest focal length, this lens has a significant hotspot at all apertures. Zoomed in at 35mm and closer though, the hotspot becomes minor at anything more open than about ƒ/13. Craig Bettenhausen  

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What the ratings mean. Hot spots usually appear as you increase the lens ƒ-number, so each rating depends on the lowest ƒ-stop where a hot spot shows and how severe it is, and the thresholds differ by sensor format.

  • Good: No hot spots, or one that starts at ƒ/8 or higher where diffraction impacts image sharpness.
  • Maybe: Contains a mild hot spot that starts between ƒ/4 and ƒ/5.6 and is correctable in editing.
  • Bad: A hot spot that starts at ƒ/4 or lower, or is hard to correct in editing.
  • Unknown: No data reported.

How reports are checked and rated