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[OM] Re: New Base for OM Lenses

Subject: [OM] Re: New Base for OM Lenses
From: Earl Dunbar <edunbar@xxxxxxxxxxxxxxxx>
Date: Wed, 24 Aug 2005 06:47:02 -0400
Chuck Norcutt wrote:

>Andrew Dacey wrote:
>
>
>  
>
>>On a C*n*n body with the 1.6x factor I'd need to be able to open up 1
>>full stop to get roughly the same DoF for the same FoV. 
>>    
>>
>
>Correction.  1.6 stops for the 1.6 crop factor and, as you said, 2 stops 
>for the crop factor on 4/3.  This can be hard when you really want to 
>narrow the DOF.  When you're already down at 1.4 getting another 1.6 to 
>2 stops is pretty tough.  :-)
>
>These same issues must have been fought over tooth and nail as 35mm 
>began to displace medium format.
>
>  
>
Could be, but somehow I really doubt it.  With 35mm you still have a lot 
of control, but faster shutter speeds.  Compared to the larger formats 
of the day, 35mm meant more possibilities and flexibility, even without 
considering portability.

Earl

>Chuck Norcutt
>http://www.chucknorcutt.com/
>



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