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D750 back button focus?
- Thread starter John Kemp
- Start date
chipmaster
Senior Member
sd40
Senior Member
After you old-timers die out, those of us who never owned a D300, D700, D8xx, or Dx will still have to deal with the question of the best way to assign the buttons.
Truth is, I bought my first DSLR in 2005 and have a few years at this myself. But I arrived at the D750 from from cameras like the D5000, hence am not "confused" by memories of reaching for the AF-ON button.
I join you in wishing that Nikon would add one, if only to put an end to the constant kvetching.
sd40
Senior Member
This solution sounds interesting, but wouldn't the shutter button substitute a new exposure when you go to take the picture? I must be missing something.
mcocorochio
Active member
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If you half press and hold with C1 set to on, exposure will stay locked as long as you hold the shutter at half press. The meter will not reacquire exposure until the shutter button is released.
wasserball
Senior Member
You can do it in the D600 a consumer body, so I assume you can do it in the D750.
sd40
Senior Member
Thanks. Never tried that.
Jan De Smet
Forum Enthusiast
Ralfwolf that sounds interesting.
So that would accomplish about the nomal situation:
1) you focus (AF/AE button reformatted) with AF-ON and hold focus (or the cam refocuses all the time if in AF-C)
<-> normal situation is you focus and hold focus with the release button half-press + you also take exposure but if you reframe your cam will re-exposure. Exposure isn't locked
2) then you expose and lock exposure with the release button half-press, either on the focus subject or else in the frame
<-> normal situation you will have exposed at shutter release half press but you can lock that exposure via the AE-lock button.
One question: when focusing via the AF-ON button on a pro-cam or via the reprogrammed AF/AE Lock button, is it correct that the camera is only focusing at that time, not taking exposure?
Jan
So that would accomplish about the nomal situation:
1) you focus (AF/AE button reformatted) with AF-ON and hold focus (or the cam refocuses all the time if in AF-C)
<-> normal situation is you focus and hold focus with the release button half-press + you also take exposure but if you reframe your cam will re-exposure. Exposure isn't locked
2) then you expose and lock exposure with the release button half-press, either on the focus subject or else in the frame
<-> normal situation you will have exposed at shutter release half press but you can lock that exposure via the AE-lock button.
One question: when focusing via the AF-ON button on a pro-cam or via the reprogrammed AF/AE Lock button, is it correct that the camera is only focusing at that time, not taking exposure?
Jan
Trap focus works on D750. Yes, I did test it.
During my research, I found some references to older version of firmware on D810 where it didn't work which has been fixed in current versions but I can't speak from direct experience.
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