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Re: [OM] Focusing accuracy with EMF adapters

Subject: Re: [OM] Focusing accuracy with EMF adapters
From: Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx>
Date: Mon, 06 Feb 2012 20:41:23 -0500
You'll have to explain this some more.

Chuck Norcutt


On 2/6/2012 5:55 PM, usher99@xxxxxxx wrote:
> IFM writes:
>> If you use it on cameras with micro focus adjustment, which the 5D
> isn't, the
>> adapter may be set to micro adjust focus
>> based on testing. I don't have a camera with that feature as yet,
> though, so I
>> haven't used it.
>
> Hmm, the microfocus adjust (MA) chips predated use with MA feature in a
> cam  body.  The adjustments can be combined,
> but I know of no reason the chip can't be programmed on 5D classic.
> Starting from the same direction (I use infinity) and working
> s-l-o-w-l-y
> towards focus point  may improve consistency.  Magnified LV has been
> definitively shown to beat any AF.  On the CV 180/4 the focus confirm
> is usually close enough but that is more forgiving given the larger
> dof.  MA for zooms is generally a fool's errand.
>
>   MA Mike
>
>
-- 
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