Origins and Development

The Canon FD-Mount (Breech) was introduced in 1971 as part of Canon's pioneering FD lens system. It featured a unique breech-lock mechanism that revolutionized lens attachment, providing photographers with unparalleled convenience and stability. The innovative design of the FD-Mount (Breech) facilitated quick and secure lens changes, ensuring optimal shooting efficiency in various photographic scenarios.

Precision Engineering

At the heart of the Canon FD-Mount (Breech) lies a precision-engineered breech-lock system, meticulously crafted to deliver seamless lens attachment and superior stability. This innovative mechanism allowed photographers to effortlessly mount FD lenses onto compatible Canon cameras with precision and confidence. The FD-Mount (Breech) exemplified Canon's commitment to excellence in engineering, offering photographers a reliable platform for capturing exceptional images.

Optimal Compatibility

One of the key advantages of the Canon FD-Mount (Breech) was its extensive compatibility with a wide range of FD lenses and Canon cameras. Whether shooting portraits, landscapes, or macro photography, photographers could rely on the FD-Mount (Breech) to deliver exceptional optical performance and versatility. The seamless integration between FD lenses and Canon cameras ensured consistent results and unparalleled image quality in every shot.

Enduring Legacy

The Canon FD-Mount (Breech) left an indelible mark on the world of photography, earning a reputation for its reliability, precision, and innovation. Despite the emergence of newer lens mounts and technologies, the FD-Mount (Breech) continues to hold a special place in the hearts of photographers and collectors alike. Its legacy lives on as a testament to Canon's dedication to pushing the boundaries of imaging excellence.


In conclusion, the Canon FD-Mount (Breech) stands as a shining example of Canon's legacy of innovation and craftsmanship. From its revolutionary breech-lock mechanism to its unparalleled compatibility and optical performance, the FD-Mount (Breech) remains a timeless icon in the realm of photography. As photographers continue to explore new horizons and push the limits of creativity, the FD-Mount (Breech) remains a steadfast companion, ready to capture the beauty of the world with precision and clarity.

Mount Specifications

Specification Details
Mount Type Canon FD-Mount (Breech)
Introduced 1971
Mechanism Breech-lock
Compatibility Wide range of FD cameras
Precision Engineering Yes
Lens Communication Manual focus and aperture control
Lens Compatibility FD and FDn lenses
Construction Material High-quality metal and plastic
Mount Diameter 42mm
Flange Focal Distance 42mm
Electronic Contacts None
Autofocus Support Not applicable

Compatible Camera Systems

Camera Model Release Date
Canon F-1 1971
Canon AE-1 1976
Canon A-1 1978
Canon T90 1986
Canon T70 1984
Canon T50 1983
Canon FTb 1971
Canon AV-1 1979
Canon AE-1 Program 1981
Canon F-1n 1976
Canon EF 1973
Canon AV-1 Quartz Date 1987
Canon AT-1 1976
Canon TLb 1974
Canon FT QL 1966
Canon TLb 1974
Canon TX 1975
Canon EF 1973
Canon EF 1973
Canon T60 1990
Canon T80 1985
Canon T50 1983
Canon T70 1984
Canon A-1 1978
Canon AE-1 Program 1981