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  1. #11
    Senior Member
    Horoscope Fish's Avatar

    Re: can I assign the fn button to single point focus as well as continuous focus?

    Just to simplify what @nickt has already pointed out...

    Auto-focus Continuous, or AF-C, is an Auto-focus SERVO mode; while "Single Point" refers an Auto-focus AREA mode. This being the case your question, as you've asked it, doesn't really make sense because the Area-mode (Single Point, D9, Group, etc.) and the Servo-mode (Single Servo, Continuous, Auto) are two entirely different beasts.


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  2. #12
    Senior Member
    tea2085's Avatar

    Re: can I assign the fn button to single point focus as well as continuous focus?

    I'm trying different settings suggested, now have another problem in that it's not beeping when it gets focus- like it did before . tried to backtrack and find what I did-no luck, HELP please. Paul
    Camera -D7100------ Lenses- Nikkor 35mm F/1.8G, Nikkor 70-300mm F/4-5-5.6G ED VR, Tokina 12-28 F/4 and Nikkor 16-85 VR.

  3. #13
    Senior Member

    Re: can I assign the fn button to single point focus as well as continuous focus?

    Quote Originally Posted by tea2085 View Post
    I'm trying different settings suggested, now have another problem in that it's not beeping when it gets focus- like it did before . tried to backtrack and find what I did-no luck, HELP please. Paul
    You will only get the beep in some modes even though the beep is turned on. af-s with focus priority, for sure you will get the beep. And for sure you will not get a beep with bbf set up in the usual way, af-c with release priority. Not sure off hand if af-c with focus priority will beep. I know it won't with bbf set up.
    I must have a really good camera.

  4. #14
    Senior Member
    tea2085's Avatar

    Re: can I assign the fn button to single point focus as well as continuous focus?

    Nick, I had bbf beep before I tried different settings. Wonder what I did? I got it-thanks
    Last edited by tea2085; 02-20-2018 at 07:31 PM.
    Camera -D7100------ Lenses- Nikkor 35mm F/1.8G, Nikkor 70-300mm F/4-5-5.6G ED VR, Tokina 12-28 F/4 and Nikkor 16-85 VR.

  5. #15
    Senior Member

    Re: can I assign the fn button to single point focus as well as continuous focus?

    Quote Originally Posted by tea2085 View Post
    Nick, I had bbf beep before I tried different settings. Wonder what I did?
    You might have not had bbf set up 'correctly'. I say 'correctly', but there is no right or wrong. The textbook technique though is af-c with release priority and that won't beep because there is never a confirmed focus with that setup. I'll see if I can figure out what you might have set.
    I must have a really good camera.

  6. #16
    Senior Member

    Re: can I assign the fn button to single point focus as well as continuous focus?

    Quote Originally Posted by tea2085 View Post
    Nick, I had bbf beep before I tried different settings. Wonder what I did? I got it-thanks
    Tried it. I think you must have had bbf set for af-s with focus priority. That will beep focusing with the back button. It won't really work right though. The bbf technique will not perform as you may have read about it set that way. Also, due to the behavior I described in a post above, setting the back button will override menu a1 and a2 so you will not really get focus priority even though you set it.
    I must have a really good camera.

  7. #17
    Senior Member
    tea2085's Avatar

    Re: can I assign the fn button to single point focus as well as continuous focus?

    I have the camera set for af-c priority setting and it's set to release and it does beep- i like a beep, Paul
    Camera -D7100------ Lenses- Nikkor 35mm F/1.8G, Nikkor 70-300mm F/4-5-5.6G ED VR, Tokina 12-28 F/4 and Nikkor 16-85 VR.

  8. #18
    Senior Member
    tea2085's Avatar

    Re: can I assign the fn button to single point focus as well as continuous focus?

    thank you guys- getting the focus i want now with cfocus/release and letting up to lock it. I love this forum- you guys have been SO patient with me. And Fred, I did'nt think you got it when you told me to learn bb focus but you really did know how to help-thank you. Thanks to all you fellow nikonites. I'm good now, Paul
    Thanks/Like nickt, FredKingston Thanks/liked this post
     
    Camera -D7100------ Lenses- Nikkor 35mm F/1.8G, Nikkor 70-300mm F/4-5-5.6G ED VR, Tokina 12-28 F/4 and Nikkor 16-85 VR.

  9. #19
    Junior Member

    Re: can I assign the fn button to single point focus as well as continuous focus?

    Did you ever get your answer. I understand what you are talking about and was wondering if you got your answer. Even if you use BBF, you are either in AF-S or AF-C mode and you still have select one or the other with the AF button on the side and if you are in a "fly by" situation, you can lose the shot by the time you switch AF modes.

  10. #20
    Senior Member

    Re: can I assign the fn button to single point focus as well as continuous focus?

    Quote Originally Posted by FMB View Post
    Even if you use BBF, you are either in AF-S or AF-C mode and you still have select one or the other with the AF button on the side
    Not if you are using the "bbf technique" correctly. To use this as most people do, you need to be in AF-C with menu A1 set to release. Not af-s.
    To use this properly, you hold down the back button if you want continuous focus. You are in af-c and it is activated by the back button. Hold it as long as you want and shoot when you want. Focus will track as you hold the button. If you have an immediate need for af-s, you simply release the back button. It is not really af-s, but that is the effect you get. You press the back button, and release it when you are happy with focus. Recompose if you wish. This is why people use the bbf technique, you get both focus modes. You get regular af-c and a simulated af-s mode. For this to work though you must be in af-c with release priority.
    I must have a really good camera.





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