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Back Button Focus ~ HELP
May 29, 2015 11:08:02 #
Jim S
Loc: Barrington RI, DC now Hilton Head,
Bram boy wrote:
I think it takes about 20 min of practice , I doubt if it took me even that . But it's all I use now on two cameras . I can't ever see going back to tickling the
Shutter to get focus , lose to many shots on BIF . And every thing else .
Shutter to get focus , lose to many shots on BIF . And every thing else .
I agree 100%
May 29, 2015 12:04:49 #
Just Fred wrote:
Here's one site that gives instructions on how to set BBF on a Nikon D7100:
http://www.anderson9.com/photography/bbf/bbf-nikon-d7100.html
http://www.anderson9.com/photography/bbf/bbf-nikon-d7100.html
:thumbup: :thumbup:
This really works well.
May 29, 2015 14:18:12 #
Bram boy
Loc: Vancouver Island B.C. Canada
Bud S wrote:
I use the fn button on the front to lock exposure ( like if I'm shooting a subject in the sun, I hit bbf and focus is locked, point camera away from sun and hit fn button and hold, recompose and shoot) I use the preview button on the front for spot metering and the ae/af button for bbf. Started this a few months ago and it works great, no setting dials. That's me and how I do it.
Why go through all that trouble . Leave fn button alone set it for something else . When you hit back button and let go it's locked . Then you can recompose aim at same target take shot , or a different target hit BB then shoot
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May 29, 2015 15:09:03 #
John Howard wrote:
I think you have your question answered, but I hav... (show quote)
I shoot in Manual, so the exposure won't change until you decide to change it, and use BBF for my focusing.
May 29, 2015 15:38:39 #
May 29, 2015 17:37:01 #
May 29, 2015 22:59:33 #
Bram boy
Loc: Vancouver Island B.C. Canada
jamesl wrote:
I shoot in Manual, so the exposure won't change until you decide to change it, and use BBF for my focusing.
Right once you focus with BB and take yout thumb off BB it's locked in at that range and you can shoot the bird on the stump all day long or all week long
Or all year long if your batters hold out . But if the bird lands on a stump
A little further or a little closer . Then all you do if hold back button and reestablish a new focus for the new spot . Then same thing , your set for another year . Or bird lands on a different stump. Then refocus . It's not rocket science .
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May 29, 2015 23:48:22 #
John Howard wrote:
Seems there are times when I want the Exposure and the Focus locked, and other times I only want the Exposure locked. What do you all do?
On my D610 I set the AE-L/AF-L button to AF-ON (D610 is prosumer control architecture and does not have a separate AF-ON button) and assign my PREVIEW button to AE-Lock (Hold). Thus I can lock focus, exposure or both as desired. I'm trying to figure out how to do the same on my D3X, so far without success.
May 29, 2015 23:54:06 #
Bram boy wrote:
Why go through all that trouble . Leave fn button alone set it for something else . When you hit back button and let go it's locked.
I'm with Bud S on this one. I sometimes find it useful to lock focus at one place in my scene and exposure someplace else, especially when shooting into or near into bright sun.
May 30, 2015 00:14:49 #
bennydnut
Loc: Phila, Pa.
houdel wrote:
I'm with Bud S on this one. I sometimes find it useful to , especially when shooting into or near into bright sun.
totally agree, I do that alot, lock focus at one place in my scene and exposure someplace else.
May 30, 2015 12:21:22 #
Bram boy
Loc: Vancouver Island B.C. Canada
bennydnut wrote:
totally agree, I do that alot, lock focus at one place in my scene and exposure someplace else.
I don't think my camera does that . If you lock your focus on a person's face
Then expose for the deer that's standing fifteen feet behind him . Your telling me there both in focus . about the only way I can do that is with f stop for
More depth of field . Is this what your saying ?
May 30, 2015 12:35:31 #
Bram boy wrote:
If you lock your focus on a person's face
Then expose for the deer that's standing fifteen feet behind him . Your telling me there both in focus.
Then expose for the deer that's standing fifteen feet behind him . Your telling me there both in focus.
No, that's not it at all. As an example - I was trying to take a photo of an apple on a branch with bright sky behind, but the brightness of the sky caused the camera to set a "fast" exposure and the apple came out dark, very underexposed. So I moved my view into the tree away from the sun and locked my exposure to properly expose the foliage, then moved my view back to the apple (with the exposure still locked) and focused on the apple, to end up with the apple in focus and properly exposed.
May 30, 2015 13:02:44 #
bennydnut
Loc: Phila, Pa.
houdel wrote:
No, that's not it at all. As an example - I was tr... (show quote)
Thanks houdel, you toke the words out of my mouth...lol
another way to do this is use a hand held meter, take a measure and take the picture in "M" modle...
May 30, 2015 18:08:32 #
Bram boy
Loc: Vancouver Island B.C. Canada
houdel wrote:
No, that's not it at all. As an example - I was tr... (show quote)
Yes I can see that , that's cool . But you can do the same with the back button walk into the tree snap a photo . Look at the camera see what fstop
Or shutter it picked . Or you pick fsop then see what speed camera picked . And if it looked ok you just set same . I would pick a f stop , let camera pick
Shutter . Then focus with BBF . Step back and set shutter Same as camera
If it was ok . Then take shot . It's the same thing almost
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