Canon RF 400mm F/2.8L IS USM
Physical
Optics
Features
Construction
General
Canon RF 400mm F/2.8L IS USM
Brand
Canon
Production Started
2021
Production Status
In ProductionVersion
I
Pro Branding
L
Physical
Canon RF 400mm F/2.8L IS USM
Lens Mount
Canon RF
System
Canon EOS R
Maximum Format
Full FrameLens Weight
Lens Diameter
Lens Length
Front Filter Compatible
Front Filter Size
0 mm
Flange Focal Distance
20 mm
Optics
Canon RF 400mm F/2.8L IS USM
Focal Range
400 mm
Aperture Range
2.8 mm
Focal Length Angle of View
6.19 °
Diaphragm type
AutomaticNumber of Blades
9 blades
Zoom
Zoom Ring
Closest Focusing Distance
250 cm
Max Magnification
1:5.88
Autofocus Mode
Manual Focus Mode
Manual Focusing Ring
Features
Canon RF 400mm F/2.8L IS USM
Weather Sealing
Fluorine Coating
Built-in Lens Hood
Lens Hood Type
Round (Clamp-on)Zoom Lock
Teleconverter Compatible
Teleconverter Type
Canon Extender RF 1.4X → 560mm F/3.9, Canon Extender RF 2X → 800mm F/5.6
Tilt/Shift Rotation
Lens Rotation
Image Stabilization
IS Efficiency
5.5
Construction
Canon RF 400mm F/2.8L IS USM
Elements
17 Elements
Groups
13 Groups
Aspherical Elements
0 Aspherical Elements
Bi-Aspherical Elements
0 Bi-Aspherical Elements
Low Dispersion
1 Low Dispersion Elements
Super Low Dispersion
1 Super Low Dispersion Elements
CA Reduction
2 CA Reduction Elements
Internal Focusing
Floating Element System
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