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 Post subject: Re: I hate lens blur
PostPosted: Wed Nov 07, 2012 8:21 pm 
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If you're talking about `bokeh` it obviously depends what you're shooting & the effect you're trying to achieve, as well as which lens you're actually using.

Using F18 on a wide angle lens for landscapes, virtually everything will be in focus. Use a 400mm telephoto at F2.8 on a bird a few yards away, you can isolate the subject without having distractions in the BG.

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 Post subject: Re: I hate lens blur
PostPosted: Wed Nov 07, 2012 9:36 pm 
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+1 to the above.
Actually what you're saying about the lens that balances out light rays so everything is in focus is in some ways what a lens does when you close the aperture down to about f/16 or so, so in my opinion there would be no need for such thing in a lens.

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 Post subject: Re: I hate lens blur
PostPosted: Thu Nov 08, 2012 7:20 pm 
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Location: The Netherlands
Maybe I did read it all too quickly and I may be too sleepy to think well, but dont you mean a Tilt-and-Shift lens?

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 Post subject: Re: I hate lens blur
PostPosted: Fri Nov 09, 2012 1:03 am 
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Location: Mexico City, Mexico
Yeah, I was thinking the same thing now that I read it carefully

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 Post subject: Re: I hate lens blur
PostPosted: Fri Nov 09, 2012 7:01 pm 
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I heard of an example like this recently. It's a camera that takes images at different focusing distances simultaneously.

The end result is a sharp image from to back - think of it as in camera focus stacking.

Think of it also as a way of reducing user error.


Now sometimes you want a large depth of field, and sometimes a shallow depth of field. Shallow depth of field can be used to draw attention to an element of the composition. That is the beauty of taking your camera out of Program or Automatic modes and into Aperture Priority - It's called artistic license.

But anyway - your ideal camera camera is a long way away yet. To get your sharp front to back focus shots with your new camera under $2000US (which is money that you state you do not yet have!), a new camera that has to be superior to the D800 and 5D mkIII by the way, you'll need to add a high quality tripod and head to your list of extras, along with a suitably expensive lens that stops down enough while still out resolving current DSLR sensor technology despite the impact of diffraction.

There you go - that will keep you googling a little longer!


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 Post subject: Re: I hate lens blur
PostPosted: Fri Nov 09, 2012 9:38 pm 
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dubaiphil wrote:
But anyway - your ideal camera camera is a long way away yet. To get your sharp front to back focus shots with your new camera under $2000US (which is money that you state you do not yet have!), a new camera that has to be superior to the D800 and 5D mkIII by the way, you'll need to add a high quality tripod and head to your list of extras, along with a suitably expensive lens that stops down enough while still out resolving current DSLR sensor technology despite the impact of diffraction.

There you go - that will keep you googling a little longer!

Probably it will end up costing $10,000+ USD...... :|

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 Post subject: Re: I hate lens blur
PostPosted: Fri Nov 09, 2012 10:14 pm 
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Could you post a link to the documentary? I'm interested in seeing it

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 Post subject: Re: I hate lens blur
PostPosted: Fri Nov 09, 2012 11:23 pm 
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The documentary is part of the show then? No special name given to it? No chapter number or anything of that sort?

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 Post subject: Re: I hate lens blur
PostPosted: Fri Nov 09, 2012 11:51 pm 
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Alright, let me know if you get anything, thanks :)

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 Post subject: Re: I hate lens blur
PostPosted: Sat Nov 10, 2012 12:09 am 
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Oh I see, thanks :)
Any idea of how I might see it?

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 Post subject: Re: I hate lens blur
PostPosted: Sat Nov 10, 2012 12:36 am 
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Oh ok

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 Post subject: Re: I hate lens blur
PostPosted: Sat Nov 10, 2012 12:50 am 
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I see, thanks for the link :)

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 Post subject: Re: I hate lens blur
PostPosted: Sat Nov 10, 2012 5:05 pm 
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An example here, that I presume you're talking about? http://www.proudlyserving.com/archives/ ... res_b.html

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 Post subject: Re: I hate lens blur
PostPosted: Sat Nov 10, 2012 5:25 pm 
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I think it is what he was talking about, looks interesting

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