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Innovative, affordable and the world's lightest  800mm super-telephoto lenses that bring the joy of super-telephoto shooting to photo enthusiast which was unattainable in the past
Best for birds, wildlife, aviation, sports and landscape
Use of a retractable mechanism that shortens the lens to 281.8mm long when not shooting, easy for carrying around.
Lens weights only 1,260g by employing a DO Lens, a fixed f/11 aperture structure and active use of high strength plastics, making handheld shooting without a tripod effortless
Newly developed 11 elements in 8 groups optical design with the use of Canon proprietary 3rd generation gapless double-layered Diffractive Optics (DO lens) to effectively corrects chromatic aberration and helps maintaining a compact design
Image Stabilizer offers up to 4-stop shake compensation  to facilitate handheld super-telephoto shooting
0.14x maximum magnification with 6.0m minimum focusing distance
A lead-screw-type Stepping Motor (STM) provides fast AF and Smooth Movie Servo AF ; Full-time Manual Focus is also supported
Compatible with Extender RF 1.4x or 2x. AF is still possible with EOS R5 and EOS R6 when an extender is attached
Incorporates the RF lens control ring to adjust assigned settings such as ISO speed, shutter speed or aperture value directly from the lens
Optional Lens Hood ET-101 further enhances flare resistance
 Among all interchangeable lenses for supporting autofocus and including a focal length of 800mm for interchangeable lens cameras (SLR and mirrorless cameras). As of July 8th 2020, based on Canon's research.
 CIPA Standard, Focal Length: 800mm, EOS R is used.
 When using this lens, the camera's AF area is about 60% (vertical) x 40% (horizontal) of the image plane.
Note: When this lens is used with EOS R / EOS Ra / EOS RP, please dowload and install the latest firmware from Canon website.
Angle of View (Diagonal)
11 Elements in 8 Groups
f/11 fixed aperture
Closest Focusing Distance (m)
Maximum Magnification (x)
Leadscrew-type Stepping Motor
Full Time Manual
Image Stabilizer Effectiveness
4-stop (CIPA Standard, Focal Length: 600mm, EOS R is used)
Filter Diameter (mm)
Length x Max. Diameter (mm)
(retracted) 281.8 / 351.8 (shooting) x 101.6
- RF 800mm f/11 IS STM
- Lens Cap E-95
- Lens Dust Cap RF
- Purchase Record Card