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Calculating Depth of Field
#41
[quote name='IanCD' timestamp='1321885993' post='13125']

Hi Wim,

I thought it was just the 12-24mm at first, as that was the lens I tested first, but I'm pretty sure it's all of them now (as per my [url="http://forum.photozone.de/index.php?/topic/1426-nikon-12-24mm-af-back-focus/page__pid__12759#entry12759"]previous post[/url]). I tested the 50mm and 85mm and got poor results at the intended focus plane unless I adjusted autofocus pretty much to the limits of fine-tuning. I say 'pretty much' because, frankly, I found it difficult to tell once I got to about -17, -18.



I phoned Nikon and one of the staff said it was far more likely to be the body in this scenario... plus, I did drop the camera in the summer so I wouldn't be surprised if something in the AF mechanism was knocked slightly out of alignment: I just hadn't noticed it before testing or had attributed out of focus shots to my technique... and I didn't know I was working with such shallow DoF before this post..!

Best wishes,

Ian

[/quote]

Yes, DoF often gets shallow very quickly, especially when working at distances involving people <img src='http://forum.photozone.de/public/style_emoticons/<#EMO_DIR#>/biggrin.gif' class='bbc_emoticon' alt='Big Grin' />. I do hope for you that it will not set you back a lot.



Kind regards, Wim
Gear: Canon EOS R with 3 primes and 2 zooms, 4 EF-R adapters, Canon EOS 5 (analog), 9 Canon EF primes, a lone Canon EF zoom, 2 extenders, 2 converters, tubes; Olympus OM-D 1 Mk II & Pen F with 12 primes, 6 zooms, and 3 Metabones EF-MFT adapters ....
  


Messages In This Thread
Calculating Depth of Field - by IanCD - 11-19-2011, 03:20 PM
Calculating Depth of Field - by wim - 11-19-2011, 03:24 PM
Calculating Depth of Field - by IanCD - 11-19-2011, 03:38 PM
Calculating Depth of Field - by Studor13 - 11-19-2011, 05:55 PM
Calculating Depth of Field - by IanCD - 11-19-2011, 07:31 PM
Calculating Depth of Field - by Steinar1 - 11-19-2011, 07:47 PM
Calculating Depth of Field - by anyscreenamewilldo - 11-19-2011, 07:49 PM
Calculating Depth of Field - by Brightcolours - 11-19-2011, 08:01 PM
Calculating Depth of Field - by wim - 11-19-2011, 09:27 PM
Calculating Depth of Field - by IanCD - 11-19-2011, 11:32 PM
Calculating Depth of Field - by IanCD - 11-19-2011, 11:34 PM
Calculating Depth of Field - by PuxaVida - 11-20-2011, 03:15 PM
Calculating Depth of Field - by IanCD - 11-20-2011, 03:58 PM
Calculating Depth of Field - by PuxaVida - 11-20-2011, 06:34 PM
Calculating Depth of Field - by Brightcolours - 11-20-2011, 09:25 PM
Calculating Depth of Field - by Brightcolours - 11-20-2011, 09:29 PM
Calculating Depth of Field - by wim - 11-20-2011, 10:03 PM
Calculating Depth of Field - by wim - 11-20-2011, 10:13 PM
Calculating Depth of Field - by IanCD - 11-20-2011, 11:26 PM
Calculating Depth of Field - by IanCD - 11-20-2011, 11:32 PM
Calculating Depth of Field - by Brightcolours - 11-20-2011, 11:40 PM
Calculating Depth of Field - by wim - 11-21-2011, 12:25 AM
Calculating Depth of Field - by Brightcolours - 11-21-2011, 12:39 AM
Calculating Depth of Field - by Studor13 - 11-21-2011, 08:22 AM
Calculating Depth of Field - by miro - 11-21-2011, 10:51 AM
Calculating Depth of Field - by Brightcolours - 11-21-2011, 11:44 AM
Calculating Depth of Field - by wim - 11-21-2011, 12:12 PM
Calculating Depth of Field - by wim - 11-21-2011, 12:17 PM
Calculating Depth of Field - by IanCD - 11-21-2011, 12:17 PM
Calculating Depth of Field - by wim - 11-21-2011, 12:19 PM
Calculating Depth of Field - by Brightcolours - 11-21-2011, 12:27 PM
Calculating Depth of Field - by wim - 11-21-2011, 12:33 PM
Calculating Depth of Field - by IanCD - 11-21-2011, 12:58 PM
Calculating Depth of Field - by IanCD - 11-21-2011, 01:08 PM
Calculating Depth of Field - by wim - 11-21-2011, 01:15 PM
Calculating Depth of Field - by wim - 11-21-2011, 01:20 PM
Calculating Depth of Field - by IanCD - 11-21-2011, 01:58 PM
Calculating Depth of Field - by wim - 11-21-2011, 02:14 PM
Calculating Depth of Field - by IanCD - 11-21-2011, 02:33 PM
Calculating Depth of Field - by Studor13 - 11-21-2011, 02:35 PM
Calculating Depth of Field - by wim - 11-21-2011, 02:47 PM
Calculating Depth of Field - by IanCD - 11-21-2011, 03:22 PM
Calculating Depth of Field - by PuxaVida - 11-21-2011, 06:46 PM
Calculating Depth of Field - by popo - 11-21-2011, 07:27 PM
Calculating Depth of Field - by IanCD - 11-21-2011, 10:17 PM
Calculating Depth of Field - by mst - 11-21-2011, 10:46 PM
Calculating Depth of Field - by popo - 11-21-2011, 11:13 PM
Calculating Depth of Field - by Guest - 11-22-2011, 02:31 AM
Calculating Depth of Field - by PuxaVida - 11-22-2011, 08:22 AM
Calculating Depth of Field - by obsoquasi - 11-22-2011, 10:52 AM
Calculating Depth of Field - by IanCD - 11-22-2011, 06:46 PM
Calculating Depth of Field - by wim - 11-22-2011, 11:22 PM
Calculating Depth of Field - by anyscreenamewilldo - 11-23-2011, 12:28 AM
Calculating Depth of Field - by PuxaVida - 11-23-2011, 07:05 AM

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