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Thread started 23 Jan 2005 (Sunday) 21:04
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Subject distance info

 
sagebrush
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Jan 23, 2005 21:04 |  #1

Seems I saw somewhere that the 20D/10D recorded the distance to subject infomation when a shot is taken but I don't see it in the EXIF data. Or maybe it was an program app that calculates it...Has anyone know where this data is shown?

Thanks,
Sage




  
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tim
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Jan 23, 2005 21:20 |  #2

The only place i've ever seen that is on the 550EX flash just after I take the photo. Maybe it's in the EXIF too, i've never noticed it.


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slin100
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Jan 23, 2005 21:39 |  #3

Distance info is only recorded with lenses that report it. Here (external link) is a list of Canon lenses that report distance info.

I read that distance info is stored in the MakerNote section of the EXIF header as proprietary data. Therefore, most non-Canon viewers and/or EXIF readers may not be able to display it properly. IIRC, Breezebrowser can and does display distance info, when present, because the author reverse-engineered the encoding.


Steven
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Bodog
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Jan 24, 2005 00:11 as a reply to  @ slin100's post |  #4

I've noticed that Capture One v. 3.6 now extracts the subject distance in meters. (Drebel) :D


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Jesper
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Jan 24, 2005 03:05 |  #5

Like Steven says above, it only works with lenses that report the distance info. I've noticed that the EF 100 f/2.8 Macro does, but the EF 50 f/1.8 II does not. Like Jim says, Capture One 3.6 shows the info.


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sagebrush
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Jan 24, 2005 03:59 as a reply to  @ Jesper's post |  #6

Thanks everyone for the info..
I use C1 3.5.2 guess it's time to upgrade.

Sagebrush




  
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alan ­ sh
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Jan 24, 2005 05:29 as a reply to  @ sagebrush's post |  #7

Hang on before spending money. the 20D does NOT record subject distance at all for any lens.


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RichardtheSane
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Jan 24, 2005 06:27 as a reply to  @ Jesper's post |  #8

Jesper wrote:
Like Steven says above, it only works with lenses that report the distance info. I've noticed that the EF 100 f/2.8 Macro does, but the EF 50 f/1.8 II does not. Like Jim says, Capture One 3.6 shows the info.

Where does C1 3.6 show this info?

Thanks


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slin100
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Jan 24, 2005 09:08 as a reply to  @ alan sh's post |  #9

alan sh wrote:
Hang on before spending money. the 20D does NOT record subject distance at all for any lens.

I would be surprised if this is true, because the 10D does. How did you come to this conclusion?


Steven
7D, 10D, 17-40/4L, 50/1.8 Mk I, 85/1.8, Tamron 28-75/2.8, 28-135/3.5-5.6 IS, 80-200/2.8L, 550EX, Pocket Wizard

  
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Jesper
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Jan 24, 2005 09:28 as a reply to  @ RichardtheSane's post |  #10

RichardtheSane wrote:
Where does C1 3.6 show this info?

Hold your mouse pointer over a thumbnail or click on an image and press Ctrl+I to show the shooting info window.


Canon EOS 5D Mark III

  
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Jesper
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Jan 24, 2005 09:30 as a reply to  @ sagebrush's post |  #11

sagebrush wrote:
Thanks everyone for the info..
I use C1 3.5.2 guess it's time to upgrade.

Sagebrush

alan sh wrote:
Hang on before spending money. the 20D does NOT record subject distance at all for any lens.

If you have Capture One 3.5.2, the upgrade to 3.6 is free.


Canon EOS 5D Mark III

  
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arisaema
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Nov 30, 2007 07:52 |  #12

alan sh wrote in post #390000 (external link)
Hang on before spending money. the 20D does NOT record subject distance at all for any lens.

How about 40D?
This issue is important to me. Does anybody know?




  
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Mark_Cohran
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Nov 30, 2007 07:53 |  #13

arisaema wrote in post #4412529 (external link)
How about 40D?
This issue is important to me. Does anybody know?

As far as I know both the 20D and the 40D do.


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arisaema
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Nov 30, 2007 08:58 |  #14

Mark_Cohran wrote in post #4412542 (external link)
As far as I know both the 20D and the 40D do.

Thanks for your message. But this confuse me: you mean the 20D and the 40D do record the subject distance or do not record the subject distance?




  
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kevin_c
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Nov 30, 2007 09:39 |  #15

I've just looked at some images taken with my 20D / 85mm f/1.8 and 430EX

In Capture One 3.7.7 the 'subject distance' is "Unknown"
In Breezebrowser Pro it's not even listed

Maybe it doesn't show up with a 20D


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Subject distance info
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