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Thread started 12 Nov 2014 (Wednesday) 14:59
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7D Mark II - Focus Discussions

 
Wilt
Wilt is an old fart who has extensive experience with many brands and many formats of cameras, and extensive lighting knowledge of both studio lighting and speedlights
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Post has been edited 2 months ago by Wilt.
Mar 20, 2017 18:48 as a reply to post 18305621 |  #6886

Thx, Jake.

CyberDyneSystems wrote:
Scroll sideways to 3rd page of custom functions (the little camera icon 2nd from right)
Scroll down to "Custom Controls", Press "SET"
Highlight "Shutter butt." and press "SET" select "* AE Lock (while button pressed)"
If you prefer to lock metering, this is how I have always set it up. Alternatively, select "metering start" for continuous AE.

Weird, thought I had set that (as described above) and yet AF function was still on both back button and shutter button. -?
I did it once again, while I was reading your instructions, and now it is functioning the way I want!

Muchas gratias, amigo.


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digital ­ paradise
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Mar 20, 2017 19:50 |  #6887

Wilt wrote in post #18306316 (external link)
Thx, Jake.

Weird, thought I had set that (as described above) and yet AF function was still on both back button and shutter button. -?
I did it once again, while I was reading your instructions, and now it is functioning the way I want!

Muchas gratias, amigo.

I am old school. I still like to shoot stills with the shutter button. I have never disabled focus from the shutter and use the BBF all of the time for Ai Servo.


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gschlact
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Mar 20, 2017 23:29 |  #6888

digital paradise wrote in post #18306380 (external link)
I am old school. I still like to shoot stills with the shutter button. I have never disabled focus from the shutter and use the BBF all of the time for Ai Servo.

So what happens if you hav shutter half way pressed in Servo Mode, and go to take your BBF off so that you can reframe? Does the 1/2pressed shutter keep af continuing?




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digital ­ paradise
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Post has been edited 2 months ago by digital paradise.
Mar 20, 2017 23:46 |  #6889

gschlact wrote in post #18306562 (external link)
So what happens if you hav shutter half way pressed in Servo Mode, and go to take your BBF off so that you can reframe? Does the 1/2pressed shutter keep af continuing?

Good question. I have not noticed that. I was never a fan of the BFF until I forced myself to use it with my 7D2. After 5 years of using my 7D's shutter button ½ pressed between bursts with which I had no problems with I'm probably doing it inadvertently now when using the BFF. Then again I may be not half half pressing the shutter these days when using the BBF. I have not really paid attention to it the last year. I do back off the BBF to reframe.

That would be very easy to test but I only have tomorrow and then we travelling. Not taking the big guns but bringing my 7D2 and 55-250 STM. When the opportunity arises I will try that out and get back to you. This is an interesting one.


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rejay14
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Mar 21, 2017 03:30 |  #6890

mwsilver wrote in post #18305579 (external link)
Not entirely correct. If you shoot raw and use DPP the in camera settings are automatically applied to the resulting raw file when you edit, unlike Lightroom where the in camera settings are ignored.

I sit corrected. I totally agree with you.


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Lester ­ Wareham
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Mar 21, 2017 06:49 |  #6891

digital paradise wrote in post #18306380 (external link)
I am old school. I still like to shoot stills with the shutter button. I have never disabled focus from the shutter and use the BBF all of the time for Ai Servo.

It is odd about perception, I went from full manual film to the 20D, so the idea of the AF operation bring on the same control as the shutter release is something I could not cope with; I changed to BBF straight off as being more natural.

Several bodies down the line and I still can't get on with shutter button activation of AF or one shot.


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graham121
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Mar 21, 2017 07:18 |  #6892

Lester Wareham wrote in post #18306687 (external link)
It is odd about perception, I went from full manual film to the 20D, so the idea of the AF operation bring on the same control as the shutter release is something I could not cope with; I changed to BBF straight off as being more natural.

Several bodies down the line and I still can't get on with shutter button activation of AF or one shot.

I must say since changing to one shot AF on the shutter button and AI Servo via BBF I am getting far far more shots of stationary subject in sharp focus, in fact it has completely restored my faith in the camera.


A coupla bodies and a few lenses

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TeleFragger
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Mar 21, 2017 07:34 |  #6893

I did a lot of reading yesterday. I watched a few videos on pro shooters in sports and wildlife and they went over their settings and the WHY.... and WOW...

so I thought it was just me.. totally me.. cuz the 7dm2 is way better than my t2i but my t2i I used center dot (hell only have 9 points LOL) and typically had great success but going to the 7dm2 I dont.
What I realized is I started using the zone af (if that is what the section you can move to left, right or middle is) or i tried using the 65pt AF....

what i " thought " was the 65pt will use say center even though no dot and lock there or somehow it had a way to lock on what your aiming at... then it would track...

I have found out so much since then...(yesterday)

what I have learned is these pro shooters go into the menu and remove the following from being selective AF
Manual select: Spot AF, Expand AF area: Surround, Manual select:Large Zone AF, Auto selection:65 pt AF

leaving ONLY
Manual selection:1pt AF, Expand AF Area, Manual Select:Zone AF

what they have said is what I am seeing and just didnt realize. I wanted Large Zone AF or 65pt AF to be that holy grail capture and lock on target and be awesome-sauce...instead what I have learned is that the ones removed are ALL going to lock onto subject and will be focused on the closes to the camera. It was said this is good for say if a car is facing you and you want the grill sharp but for sports or birds it wont work well.

Now this was their settings and why. I am seeing similar results and possibly why I feel my camera has an issue (or i just suck at using the 7dm2 and should go back to the t2i which is broke :twisted:)

so I am going to go out and shoot away once again to see how well things work with now understanding how these AF point selections work..

this still has me confused on this. Picked up a tamron 70-200 2.8 vc and 1.4 teleconverter and was shooting in 65point af mode....

large crop

IMAGE: https://c1.staticflickr.com/4/3781/33381479312_5c262a9b7e_b.jpg
[IMAGE'S LINK: https://flic.kr/p/SRNN​NL] (external link)TroubledAF (external link) by Jeffrey Riggs (external link), on Flickr


AF points from DPP
IMAGE: https://c1.staticflickr.com/3/2906/32724023073_4bbc160c3a.jpg
[IMAGE'S LINK: https://flic.kr/p/RRHa​Yn] (external link)TroubledAFClose (external link) by Jeffrey Riggs (external link), on Flickr


but look at the "Welcome To"
IMAGE: https://c1.staticflickr.com/3/2930/32724035513_a2b053dc1f_b.jpg
[IMAGE'S LINK: https://flic.kr/p/RRHe​ER] (external link)UnitedWarmups (21 of 36) (external link) by Jeffrey Riggs (external link), on Flickr

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if I post a pic.. it is there to be picked on... (I have thick skin.. im in IT)

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digital ­ paradise
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Mar 21, 2017 08:46 |  #6894

Lester Wareham wrote in post #18306687 (external link)
It is odd about perception, I went from full manual film to the 20D, so the idea of the AF operation bring on the same control as the shutter release is something I could not cope with; I changed to BBF straight off as being more natural.

Several bodies down the line and I still can't get on with shutter button activation of AF or one shot.

Between 2 bodies in for over $5000. I paid for the one shot beep and I want to hear it :-) Actually the reason I used both was due to weddings and events. It was just too tiring to look through the viewfinder for 8 hours and try to see if my subject was in focus. One shot provides focus confirmation.


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Lester ­ Wareham
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Mar 21, 2017 09:28 |  #6895

graham121 wrote in post #18306712 (external link)
I must say since changing to one shot AF on the shutter button and AI Servo via BBF I am getting far far more shots of stationary subject in sharp focus, in fact it has completely restored my faith in the camera.

I gave single shot on the shutter button a try but did not get on with it. Mind you this was when I was shooting the very challenging Fircrest.


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TeleFragger
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Mar 21, 2017 09:44 |  #6896

i just found the af guide book..
http://learn.usa.canon​.com ...os7dmk2_afGuidebook​.shtml (external link)

their pdf
http://downloads.canon​.com ..._AF_guide_CUSA_9-2014.pdf (external link)


says you need certain lenses to work with 65pt AF... I wonder if a listing exists for other lenses to see what non canon lenses work.

wonder if that is why 65pt wasnt working great for me on the tammy 70-200???


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digital ­ paradise
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Mar 21, 2017 09:55 |  #6897

I did at one point use the C1-3 modes. The one shot was normal for C1. For C2 I disabled AF from the shutter. I did not warm up to it but I may try it again. I'm going to pay attention to what gschlact pointed out to see what I'm actually doing to pump the focus.

As you any have noticed I have been whining for 2 years because Canon has not added the drive mode to the "detail set". This way I could leave the cam on single shooting and use the shutter for one shot. Then when I press a BBF it could switch to high speed continuous.

Leaving the drive mode on high speed continuous when using one shot is just an minor irritant but that was what actually got me to try the C1-3 modes. C1 was on single and C2 was on high speed and while on C2 I disabled the AF from the shutter.

I have never warmed up the C1-3 modes but I may revisit it when I get back. I'd prefer drive mode added to the detail set. I'm taking my 7D2 and 55-250 STM so when I'm in my shorts having a cocktail by the pool maybe I'll set it up there and try it out.


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RodS57
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Mar 21, 2017 10:25 |  #6898

TeleFragger wrote in post #18306815 (external link)
i just found the af guide book..
http://learn.usa.canon​.com ...os7dmk2_afGuidebook​.shtml (external link)

their pdf
http://downloads.canon​.com ..._AF_guide_CUSA_9-2014.pdf (external link)


says you need certain lenses to work with 65pt AF... I wonder if a listing exists for other lenses to see what non canon lenses work.

wonder if that is why 65pt wasnt working great for me on the tammy 70-200???

You should be able to see in the viewfinder what points are available.
Two big points here: the max of aperture of the lens and what the lens reports to the camera.
Your is tamron F2.8 so it should have access to all 65 AF points based on aperture requirements but....
My tamron 150-600 only has access to the 25 point center zone on the long end. That puts me at F6.3 and only center point is F8 focus. With the canon requirement for F5.6 or faster on most AF points I guess I should be happy with the 25 I have.

Rod


>>> Pictures? What pictures? <<<<

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RodS57
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Mar 21, 2017 10:31 |  #6899

digital paradise wrote in post #18306830 (external link)
I did at one point use the C1-3 modes. The one shot was normal for C1. For C2 I disabled AF from the shutter. I did not warm up to it but I may try it again. I'm going to pay attention to what gschlact pointed out to see what I'm actually doing to pump the focus.

As you any have noticed I have been whining for 2 years because Canon has not added the drive mode to the "detail set". This way I could leave the cam on single shooting and use the shutter for one shot. Then when I press a BBF it could switch to high speed continuous.

Leaving the drive mode on high speed continuous when using one shot is just an minor irritant but that was what actually got me to try the C1-3 modes. C1 was on single and C2 was on high speed and while on C2 I disabled the AF from the shutter.

I have never warmed up the C1-3 modes but I may revisit it when I get back. I'd prefer drive mode added to the detail set. I'm taking my 7D2 and 55-250 STM so when I'm in my shorts having a cocktail by the pool maybe I'll set it up there and try it out.

I've set C3 up for night time shooting. No longer need to change half the settings on the camera for a moon shot.

Rod


>>> Pictures? What pictures? <<<<

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Wilt
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Post has been last edited 2 months ago by Wilt. 5 edits done in total.
Mar 21, 2017 10:48 |  #6900

digital paradise wrote in post #18306380 (external link)
I am old school. I still like to shoot stills with the shutter button. I have never disabled focus from the shutter and use the BBF all of the time for Ai Servo.

You must not be reeeally old school, as I am. In the days of manual focus, mechanical no-electric (except the meter) cameras, focus was absolutely independent of the shutter button. You could PRE-focus, and the camera was ready for a shot immediately...think pole vaulter going over the bar. By taking focus function completely off the shutter button, you can prefocus and not risk 'danger' of the camera trying to change focus at the time of the shot. As Lester put it (and his statement fits my history 100%),

"I went from full manual film to the 20D, so the idea of the AF operation bring on the same control as the shutter release is something I could not cope with; I changed to BBF straight off as being more natural....Several bodies down the line and I still can't get on with shutter button activation of AF or one shot."


While turning the lens switch to 'MF' instead of its usual 'AF' effectively allows you to prefocus and not worry about refocus, unfortunately then you have the need to find & change that switch first, if you suddenly see a photo worthy incident at a different location.


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7D Mark II - Focus Discussions
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