EOS R Adapters
Connect your EOS R System to the wider world of EF and EF-S lenses
Integrate and expand
The EOS R System adapters offer full compatibility with Canon EF and EF-S lenses giving Canon EOS R System camera owners who also own other EOS cameras complete integration with their existing lenses1.
Bring your EF-S lenses to the EOS R System
EF-S lenses are designed for APS-C sensor EOS DSLRs, but they can also be used on EOS R System cameras via adapter. The camera will automatically produce cropped images that match the smaller image circle of EF-S optics.
Lenses compatible with EOS R
Discover the lenses you can use with the EOS R adapters.
Built to last
EOS R adapters are built to withstand professional use, with metal mounts on the front and back. They are also weather-sealed against dust and moisture, so you can keep shooting even in tough conditions.
Designed to perform
Expect your lenses to behave in the same way as they do on EOS DSLRs, turning in the same great performance with the same high quality.
Engineering excellence
Canon engineers developed the EOS R System adapters to maintain compatibility, quality and performance when connecting the EOS R to existing EF and EF-S lenses.
Mount Adapter EF-EOS R
The standard Mount Adapter EF-EOS R allows EF-S and EF lenses to be used on EOS R cameras seamlessly. Photographers who already have a collection of EF-S or EF optics can invest in the EOS R System confidently, knowing their existing lenses will work as expected.
Control Ring Mount Adapter EF-EOS R
Control Ring Mount Adapter EF-EOS R offers the same lens mount conversion as Mount Adapter EF-EOS R, but also adds a Lens Control Ring. The ring is customisable and easy to find without taking the camera from your eye offering tactile manual control over various settings.
Customisable functionality
The Lens Control Ring can be programmed via the camera’s menu to adjust various settings such as aperture, shutter speed, ISO sensitivity and exposure compensation.
Tactile, intuitive handling
It’s easy to find the Lens Control Ring without taking the camera away from your eye. Gentle clicks give a tactile feedback in thirds or halves of a stop (and can be removed via a special Canon service for filmmakers wanting smoother operation).
Drop-In Filter Mount Adapter EF-EOS R
Drop-In Filter Mount Adapter EF-EOS R takes the functionality of Mount Adapter EF-EOS R and adds the ability to use drop-in filters, removing the need to fit filters on the front of a lens, especially useful for wide-angles with a large front lens element. It’s available with either a variable neutral density (V-ND) filter2 or circular polarising (C-PL) filter, and a clear (CL) filter is also available for shooting without filter effects.
Adapter V-ND: Variable neutral density filter
Neutral density filters help control the amount of light entering the camera which is useful for filmmakers looking to shoot with wide aperture/slow shutter speed combinations in bright light. It also lets landscape photographers use slower shutter speeds to blur movement in skies and water2.
Adapter C-PL: Circular polarising filter
Polarising filters cut through glare and haze and reduce the amount of light reflecting from glass surfaces. The filters also boost colour saturation and help add impact to colourful scenes.
Adapter Accessories
CL-Filter for Drop-In Filter Mount Adapter EF-EOS R
A clear filter, for users who have bought the drop-in filter adapter but who do not wish to have any filter effects.
PL-Filter for Drop-In Filter Mount Adapter EF-EOS R
A circular polarising filter which boosts colour, contrast and saturation, and controls unwanted reflections.
ND-Filter for Drop-In Filter Mount Adapter EF-EOS R
A neutral density filter for controlling exposure in movies and prolonging shutter speeds for a variety of creative movement effects in photographs2.
Discover the EOS R System
Building over three decades of continuous EOS innovation, the EOS R System is based around a pioneering lens mount which offers greater creative opportunities and even more intuitive ways of capturing every moment.
In the hands of the professionals
The EOS R has found instant favour with a wide variety of professional photographers and filmmakers. Discover how they have put it through its paces to deliver images and films they never thought possible.
Fine art photographer Guia Besana's first shoot with EOS R
The former photojournalist explains how the smallest professional camera in Canon's range helped to bring her 'Rummage of Flowers' shoot to life.
Welcome to a brighter, faster future
Meet the Canon EOS R full-frame mirrorless system redefining future frontiers of photography and filmmaking.
Testing the Canon EOS R to its low-light limits
Photojournalist Daniel Etter photographed dark, archaic conditions in Romanian coal mines using the full-frame mirrorless Canon EOS R system.
8-stops of IS: the story behind the tech
With 8-stops of Image Stabilization, the EOS R5 and EOS R6 rewrite the photographic rulebook. Find out how it's possible, and what it means for you.
How Canon's intelligent autofocus works
Find out how the intelligent autofocus system in the EOS R5 and EOS R6 "makes it practically impossible to miss a shot".
Canon EOS R5 first shoots: capturing nature in beautiful detail
Ulla Lohmann and Robert Marc Lehmann on how the Canon EOS R5's 45MP sensor and eye-tracking AF helped them take spectacular outdoor shots.
Canon EOS R5 vs EOS R6 – which is right for you?
Canon introduces not one but two breakthrough Full Frame mirrorless cameras. Which one is right for you? We look at EOS R5 and EOS R6 side by side.
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- See specifications for detail
- When the solid white line on the adjustment dial is no longer visible (ND250 or above), a blue tinge or density irregularity may occur