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[OM] Re: step down rings?

Subject: [OM] Re: step down rings?
From: Moose <olymoose@xxxxxxxxxxxxxxx>
Date: Fri, 01 Oct 2004 02:21:34 -0700
Doesn't that lens start to vignette with just a regular thickness 
polarizer? It may take nothing more than the 55-49 step-down ring to do 
the job, without an additional hood. Sort of like the inverted hoods 
seen on some pancake lenses.

Moose

Dorothée Rapp wrote:

>iwert schrieb:
>
>>Maybe I wasn't clear enough: I'ld like to use a 55-49mm step down ring
>>combined with the 40mm f2 - 100f2.8 85 f2 hood (which is 49mm screw-in)
>>    
>>
>
>I think I have a 55-52 stepdown ring so I guess there is another one 
>52-49. Wouldn't that result in some vignetting? Even with "crop" 2, it 
>still is a WA...
>



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