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  1. #11
    AgX
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    Quote Originally Posted by AgX View Post
    (Even Bob Shell and Günther Richter said so...)


    I have to correct myself: there are combinations that (stated by Canon) do not allow use at all.

    One might think at the barrel or rear lens element protruding back too much. However this problem is stated for the AE-1 Program but NOT for the AE-1. To my knowledge the mirror box of both cameras is identical.

    Can someone comment on this?


    Furthermore there are some combinations (stated by Canon) that do allow use but not metering, even not in the stepped down mode for "mechanical reasons".

    Can someone comment on this?

    Some FL lenses are stated by Canon to press the lens speed indicator rod of the body unintended by means of their barrel. But at least this behaviour should be identical for all FD-bodies.

  2. #12

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    Note that to use an FD lens on an FL camera in stopped down metering mode (where as you move the aperture ring, the aperture is actually moving open and closed), you need to move the lever on the back of the lens into the locked ("FL mode") position. With most breechlock lenses this is accomplished by pressing the bigger silver lever until you feel resistance, and then pushing it a little farther to lock it into place. (Remember to undo this before mounting it on an FD camera again!) For a couple of breechlock lenses, this is accomplished by moving the silver lever and then flipping another little swinging lever on the back face of the lens into the position that locks the first lever.

    For new-FD (bayonet mount) lenses, Canon actually abandoned the ability to put the lenses into FL mode, probably figuring who at that point would still be wanting to do that. Well apparently somebody did, because they came out with a little tiny piece of plastic to fix this. You slide the big silver lever over, then slip this little piece of plastic on it, and it wedges it to the far side in the slot and holds it in place. Presto! Note that these are incredibly hard to find at this point, so a lot of people just wedge the lever over with a bit of Q-tip or something. (This comes up when people are trying to use FD lenses on those spinning-ground-glass lens adapters for digital video cameras.)

    Duncan

  3. #13
    AgX
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    Quote Originally Posted by frobozz View Post
    For new-FD (bayonet mount) lenses, Canon actually abandoned the ability to put the lenses into FL mode, probably figuring who at that point would still be wanting to do that.
    That locking of the aperture actuator would also be necessary if the new-FD lens would be used on a non-automated bellows or in reverse-stand without automatic aperture adapter.

  4. #14
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    According to the instruction manual of the New Canon F1 the following lenses can't be used with it-
    FL 19mm f3.5
    FL 58mm f1.2
    R 50mm f1.8
    R 100mm f3.5
    R 100mm f2.8
    Ben

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