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Compact silver pancake lens with black front ring and red mount dot

Canon

Canon RF 28mm f/2.8 STM Lens

SKU CH-6Y91-JPF7N

Ultra-compact 28 mm f/2.8 wide-angle for full-frame RF cameras, with 0.23 m close focus and 55 mm filter thread

  • TypeWide Angle Lens
  • CompatibilityMirrorless Camera
  • Focus TypeAuto Focus
  • Compact 28mm wide angle for full-frame EOS R cameras
  • Fast f/2.8 aperture enables low-light and shallow depth shooting
  • STM stepping motor gives smooth quiet autofocus for video
  • Three aspheric elements plus Super Spectra Coating reduce flare
  • Close 0.23 m focus with 0.17x magnification for detail work

Compact wide-angle lens for EOS R

The Canon RF 28mm f/2.8 STM is a pancake prime built for full-frame mirrorless cameras. It delivers a 28mm field of view on EOS R series bodies and an equivalent 45mm perspective on APS-C models such as the R7, R10 and R50. The fast f/2.8 aperture supports low-light shooting and shallow depth of field. It suits travel, street photography and video work where a discreet lens is preferred.

Passive thermal design and quiet STM focus

The lens has no internal motor cooling or active components, so thermals and noise are dictated entirely by the camera body. Its leadscrew-type stepping motor drives autofocus smoothly and quietly, which benefits video recording. Power draw is negligible and supplied by the camera through the RF mount. There are no fans, pumps or external power requirements to consider.

55mm filter thread and optional screw-in hood

The front accepts 55mm filters for protection or creative effects without vignetting at this focal length. An optional Canon EW-55 screw-in hood can be added to reduce flare and shield the front element. Minimum focus distance is 0.23m with 0.17x magnification, allowing close-up detail shots. Three aspheric elements and Super Spectra Coating suppress ghosting and flare in high-contrast scenes.

Highlights

  • Compact 28mm wide angle for full-frame EOS R cameras
  • Fast f/2.8 aperture enables low-light and shallow depth shooting
  • STM stepping motor gives smooth quiet autofocus for video
  • Three aspheric elements plus Super Spectra Coating reduce flare
  • Close 0.23 m focus with 0.17x magnification for detail work

Specifications

TypeWide Angle Lens
CompatibilityMirrorless Camera
Focus TypeAuto Focus
BrandCanon
ModelNot Available

Questions about this item

How do I attach the RF 28mm f/2.8 STM to my EOS R body, and what step do people skip?

Align the red mounting index on the lens barrel with the red dot on the RF mount, rotate clockwise until it clicks, then remove the rear cap; the step often missed is leaving the rear cap on, which blocks communication.

What will need replacement on this lens after extended use?

The front element accepts 55 mm filters, so a protective filter is the typical wear item; the STM leadscrew drive has no user-serviceable parts, and the optional EW-55 hood replaces only if lost or damaged.

What limit appears first when I shoot video continuously with this lens?

The STM motor is tuned for smooth, quiet AF during video, but sustained autofocus hunting at the 0.23 m close-focus distance can become audible before thermal limits affect the camera body.

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