Nikon D200 and freeze focus

Discussion in 'Nikon' started by Falco Stellare, Mar 28, 2007.

  1. Is there a way to implement freeze focus in D200 camera? It was so useful
    in my old glorious F4s!!!
    Falco Stellare, Mar 28, 2007
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  2. Falco Stellare

    Boskey Guest

    As in focus lock?
    Boskey, Mar 28, 2007
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  3. Hello Boskey,
    Could you explain? :)
    Falco Stellare, Mar 28, 2007
  4. Falco Stellare

    Ed Ruf Guest

    Ed Ruf, Mar 28, 2007
  5. Hello Ed Ruf "Ed Ruf (REPLY to E-MAIL IN SIG!),
    Read my message again, freeze focus is not the same as focus lock. Two different
    names, two different functions :)

    With the freeze focus function, a camera automatically takes a picture when
    a subject reaches the pre-set focus point (with autofocus set to manual mode);
    this is also known as "focus trap" or "trap shot", to my knowledge, but never
    as "focus lock", which is instead a function conceptually similar to the
    Exposure Lock one, and is used to compose the picture after having set the
    focus point.
    Falco Stellare, Mar 28, 2007
  6. Hello Boskey,
    No, it's a totally different feature.
    Falco Stellare, Mar 28, 2007
  7. Falco Stellare

    Ed Ruf Guest

    Had you actually said this in the OP, it would have been easy. The
    answer is no.
    Ed Ruf ()
    Ed Ruf, Mar 28, 2007
  8. Falco Stellare

    Guest Guest

    if he means what i think he means, sure it can.

    decouple the shutter button from doing both autofocus and exposure
    metering with custom function a6 (p. 52 & 151) and/or c2 (p 71 &
    Guest, Mar 28, 2007
  9. Hello NoSpam,
    You're speaking about Focus Lock, which is a completely different feature
    than the Freeze Focus (or Focus Trap, that's the same thing).

    I can't believe that Freeze Focus is such an unknown feature!

    Thank you anyway.
    Falco Stellare, Mar 28, 2007
  10. Hello Ed Ruf "Ed Ruf (REPLY to E-MAIL IN SIG!),
    Pardon me, what does "OP" mean? Sorry for my poor english (even if I don't
    think we could have any improvement by speaking italian here)... :)
    Falco Stellare, Mar 28, 2007
  11. Hello Ed Ruf "Ed Ruf (REPLY to E-MAIL IN SIG!),

    It could be an easy feature to be implemented in a future firmware upgrade...
    Is there a way to let Nikon know something about users' requests for upgrades?

    Freeze focus could be a valuable feature for macro shooting; focus trapping
    was a common technique in the ancient days, when the glorious Nikon F4s was
    the admiral in charge :)
    Falco Stellare, Mar 28, 2007
  12. If you happen to know that. But if you don't then you just guess.
    Especially since it is not a feature of the D200.
    Ed Ruf (REPLY to E-MAIL IN SIG!), Mar 28, 2007
  13. Falco Stellare

    JohnR66 Guest

    I believe the correct term is "focus priority" as Pentax (?) calls it. I
    don't know about your camera, but that may help your search.
    JohnR66, Mar 28, 2007
  14. Hello JohnR66,
    No, the correct term is "freeze focus". "Focus priority" is a totally different
    matter which seems to be confused with the first one.

    Give this thread a look, there is a post by me where I explain in detail
    the difference.

    Anyway, by tweaking the focus priority feature of the D200 it is possible
    to obtain something similar to the actual freeze focus function, take a look

    The actual freeze focus function, like the one available on the Nikon F4s
    equipped with its hi-end data back, doesn't require for the operator to fully
    depress the shooting button of the camera; that is, the camera is able to
    fire by itself, triggered just by a subject passing through the pre-set focus

    With the focus priority hack, instead, you need to permanently operate the
    shooting button.

    This is a fundamental difference, since the first mode would let the camera
    work in a totally unmanned fashion: that is it would allow for a true unattended
    photo trap. For example, you can imagine to place the camera in front of
    a lair, and let it operate unattended for several hours, maybe for the entire
    day, automatically catching pictures every time an occupant pops up from
    the inner... There are circumstances where the presence of the photographer
    makes impossible for the animals to behave naturally, without any concern
    for their safety.

    This is impossible to do with the D200, to my knowledge, unless you figure
    out a way to depress and thus lock the shooting button of the camera.

    I think, IMHO, that it would be an interesting and useful function to be
    included in a future firmware upgrade.

    Hey, Nikon! Do you hear me?!?!?!?
    Falco Stellare, Mar 28, 2007
  15. I had a chance to play with a D200 several months ago. I no longer have the
    camera in my possession, but I do remember that the custom menus do allow
    setup for trap focus. I did it. It's in the manual someplace. I think it
    activates by prefocusing with the AF-L button, then automatically trips the
    shutter when the subject reaches that point.
    EUGENE HURWITZ, Mar 29, 2007
  16. Hello EUGENE,
    Yes, but you must operate the shooting button, it's not a totally automatic
    Falco Stellare, Mar 30, 2007
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