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Product Highlights
  • f/2.8 -f/22 Aperture Range
  • Full-Frame Format
  • 9/7 Elements/Groups
  • 0.26x Max. Magnification
  • STM Motor
  • 43mm Filter Diameter
Canon RF 16mm F2.8 STM Lens Canon RF 16mm F2.8 STM Lens
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RF 16mm F2.8 STM Lens

Compact, versatile, speedy and affordable, the new RF16mm F2.8 STM lens is a terrific complement to any EOS R series digital camera. Offering an ultra-wide angle of view and a bright f/2.8 aperture, it's an excellent choice whether taking interior photos in tight spaces, seeking out the perfect landscape, or as the perfect webcam lens when used in combination with an EOS camera and EOS Webcam Utility on a video call. 

Key Features:

  • Canon’s first ultra wide-angle, fixed focal length RF lens
  • High image quality and bright, fixed f/2.8 maximum aperture
  • A stepping motor (gear-type STM) that provides smooth and quiet continuous AF during video recording
  • Supremely lightweight and compact, for an ultra-wide lens for full-frame cameras
  • Minimum focusing distance of 5.11 inches and maximum magnification of 0.26x
  • Control/Focusing Ring can directly adjust numerous settings
  • Circular 7-blade aperture helps deliver beautiful, soft backgrounds

With a 16mm F2.8 lens, you can experiment with enhancing perspectives, capturing starscapes, or with the close focusing distance of 5.11 inches, get up close to your subject while still keeping the background more visible. 

Video users will find this ultra-wide lens a natural for vlogging, especially with its supremely light weight. With its remarkable combination of optical excellence and refined performance, all in a small package that's easy to bring most anywhere, the RF16mm F2.8 STM is a stellar companion to any EOS R series digital camera.

What's Included

RF16mm F2.8 STM Lens
Lens Cap E-43
Lens Dust Cap RF


Product Specifications

RF 16mm F2.8 STM Lens


Focal Length F2.8 – F22
Maximum and Minimum Aperture RF Mount; Metal Mount
Compatible Cameras Canon EOS R-series, including full-frame
Minimum Focusing Distance 5.1 in. / 0.43 ft. / 0.13m
Maximum Magnification 0.26x
Field of View, at Minimum Focus Distance Approx. 5.3 x 3.5 in. (134 x 90mm)
Angle of View (Diagonal) Approx. 108°10"

Optical Design

Lens Construction 9 elements in 7 groups
Special Elements    
(One) Aspherical element
(One) Aspherical element
Lens Coating Canon SSC (Super Spectra Coating)
Filter Size Diameter Ø43mm
Aperture Blades 7; circular shape
Image Stabilization None (with EOS R5 in-body stabilization – 5.5 stops correction)


Focusing Drive System Canon STM (Stepping motor; gear-type)
Full-time Manual Focusing Yes (after One-Shot AF; after Servo AF with compatible EOS R-series cameras)
Dual Pixel CMOS AF Coverage (Horizontal x Vertical) EOS R/RP — Approx. 88% x 100%
EOS R5/R6 — Approx. 90% x 100%
Face Detect + Tracking – Approx. 100% x 100%

Exterior Design

Control Ring Dual-function Manual focus ring / Control Ring (selected with switch on lens)
  • No clicks when set to Control Ring function
Manual Focus Ring Electronic ring system
  • Full-time Manual focus possible
  • No physical limit to ring rotational angle
AF!MF Switch None — focus mode selected in camera menu
MF!Control Ring Switch Provided on lens barrel
Distance Scale None
  • Distance scale available in EVF or Live View LCD screen of compatible EOS R-series cameras
Distance Limiter Switch None
Dust / Weather Resistant Construction None

Physical Specifications

Max. Outer Diameter x Length Approx. 1.6 in. x 2.7 in. (40.1 x ø69.2mm)
Weight Approx. 5.8 oz. / 0.4 lb. / 165g


Lens Hood Canon EW-65C
  • Bayonet-mount, petal-shaped hood
  • Optional accessory, sold separately
Lens Cap (Front) Canon E-45 (center pinch-type) (Bundled)
(Rear) Canon Dust Cap RF
Dust Cap Canon Lens Dust Cap RF (Bundled)
Lens Case Canon Lens Case LP1014
  • Optional accessory, sold separately
Extension Tubes None (No Canon RF mount extension tubes)
Close-up Lenses 250D / 500D None (no ø43mm size available)
Canon RF Extender 1.4x/2x Not compatible
Canon Gelatin Filter Holder III/IV Not compatible

Questions & Answers

Canon RF 16mm F2.8 STM Lens

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