Canon FD lenses

AgX · Dec 18, 2021

Aside of being badly worded, there is no word on the origin or meaning of those F mounts.

benjiboy · Feb 27, 2022

AgX said:
Aside of being badly worded, there is no word on the origin or meaning of those F mounts.

The fact is FD has no meaning, it's just a designation to delineate that series of Canon lenses.

flavio81 · Mar 2, 2022

Fukushima
Disaster

eli griggs · Mar 2, 2022

Film Device

flavio81 · Mar 2, 2022

eli griggs said:
Film Device

Focusing Device

benjiboy · Apr 28, 2022

I've found out today what F.D. means, in an old Canon Corporation magazine advertisement from the 1980s for their new range of FD cameras it means "Full Diaphragm" which intimates the user has full diaphragm control, as opposed to their previous range of Canon FL lenses, that can only be used in the stoped down mode.

AgX · Apr 28, 2022

Well, then "Full Diaphragm" stands for "Open Aperture Metering" + "Shutter Priority Automatic"

And I guess "FL" is derived from "F-camera Lenses". Or got you some information on this too?

flavio81 · Apr 28, 2022

AgX said:
Well, then "Full Diaphragm" stands for "Open Aperture Metering" + "Shutter Priority Automatic"

And I guess "FL" is derived from "F-camera Lenses". Or got you some information on this too?

The FL Lenses came out at the same time than the FX camera. So yes, probably, "F Lenses"

benjiboy · May 5, 2022

flavio81 said:
The FL Lenses came out at the same time than the FX camera. So yes, probably, "F Lense

AgX said:
Well, then "Full Diaphragm" stands for "Open Aperture Metering" + "Shutter Priority Automatic"

And I guess "FL" is derived from "F-camera Lenses". Or got you some information on this too?

As you write AgX, it looks like because the FL cameras had stopped down metering, FD signifies the camera because it had open aperture metering was named FD" full diaphragm" because it had full diaphragm control.

Canon FD lenses

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