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Thread started 01 Oct 2008 (Wednesday) 18:03
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" * " focusing and the 50D

 
Southswede
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Oct 01, 2008 18:03 |  #1

Does anyone know the custom cumction setting to allow the focusing with the * on the 50D? I'm reading throught the maual and can't seem to find it.




  
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Wilt
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Oct 01, 2008 18:10 |  #2

The 40D uses the AF-on button for AF, while permitting the * button to be retained for FEL usage without giving that up. If you want, you can use CFn IV-2 to swap the AF-on and * buttons for their assignments.


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Southswede
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Oct 01, 2008 18:21 |  #3

What I am looking to do, is separate the shutter button so that the shutter button only locks exposure and trips the shutter. I am looking to have the * focus for me.

The IV-2 doesn't do that. I already tried it. But I thank you for your reply!




  
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lungdoc
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Oct 01, 2008 18:36 |  #4

Described well here http://www.dpreview.co​m …ws/canoneos50d/​page12.asp (external link) . Looks to me like it's IV-1 option 3: AE lock / Metering + AF start that you want. (Shutter would do AE lock and shutter, AF-ON would do metering and AF start.


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Hermeto
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Oct 01, 2008 18:39 |  #5
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C.Fn. IV-1 2 (page 181 Instruction Manual)


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Wilt
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Oct 01, 2008 18:40 |  #6

Southswede wrote in post #6418994 (external link)
What I am looking to do, is separate the shutter button so that the shutter button only locks exposure and trips the shutter. I am looking to have the * focus for me.

The IV-2 doesn't do that. I already tried it. But I thank you for your reply!

Read more slowly...
You set CFn IV-1-n first, then you swap button assignments with CFn IV-2, in order to have * control focus for you.


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lungdoc
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Oct 01, 2008 18:47 |  #7

If he want to AE lock and not just meter with shutter button half press I believe it's IV-1 3 and not IV-1 2 that he wants.


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Hermeto
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Oct 01, 2008 18:58 |  #8
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lungdoc wrote in post #6419128 (external link)
If he want to AE lock and not just meter with shutter button half press I believe it's IV-1 3 and not IV-1 2 that he wants.

With C.Fn IV 1 3 exposure is locked with shutter half pressed.
With C.Fn IV 1 2 it is locked (and exposure is taken) at the moment the shutter is pressed all the way.
In this case half pressed shutter button doesn’t do anything.


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Southswede
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Oct 01, 2008 19:08 |  #9

THIS is what I am looking to do with the 50D...https://photography-on-the.net/forum/showthre​ad.php?t=46965

Does anyone know how this is done with the 50D?




  
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Hermeto
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Oct 01, 2008 19:33 |  #10
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Southswede wrote in post #6419236 (external link)
THIS is what I am looking to do with the 50D...https://photography-on-the.net/forum/showthre​ad.php?t=46965

Does anyone know how this is done with the 50D?

That’s what you’ll get with either C.Fn IV 1 2 or 3.
If you want to focus with * button rather than AF-ON button, you have to apply C.Fn IV 2 1 too, as Wilt already explained in posts #2 and #6.


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Southswede
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Oct 01, 2008 19:47 as a reply to  @ Hermeto's post |  #11

Ok, ok I'm a little slow! LOL!

Thanks for the help!!!!




  
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mrklaw
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Oct 02, 2008 05:50 as a reply to  @ Southswede's post |  #12

do either of these affect continuous shooting?

eg if AE is locked on a half press, will it lock that for the entire burst when using continuous shooting? If so, does metering+AE lock when the full shutter is released re-meter for every shot in a burst?


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Hermeto
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Oct 02, 2008 06:07 |  #13
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mrklaw wrote in post #6421835 (external link)
do either of these affect continuous shooting?

eg if AE is locked on a half press, will it lock that for the entire burst when using continuous shooting? If so, does metering+AE lock when the full shutter is released re-meter for every shot in a burst?

Yes and no.
With AE locked on shutter button half pressed (C.Fn IV 1-3), the same exposure will be in effect throughout the whole burst.
If the shutter is released, new metering takes effect and it gets locked with the next half press.

To have each shot in the burst re-metered, you have to use C.Fn IV 1-2.


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" * " focusing and the 50D
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