Godfrey DiGiorgi wrote:

>Well, some modern lenses do rotate the front element and ring, others  
>don't, same for old lenses adapted to the 4/3 System mount.
>
greek to me  - fortunately it sounds like something I don't need to know 
lol! ann

> All the  
>ones I'm using don't, thankfully.
>
>
>Ann, there's too much madness going on here right now, I am not going  
>to get to Manhattan at all this trip. I could write a book about just  
>this visit... and just might.
>
>Sorry to miss you and Amita, but there will be other times.
>
>Godfrey
>  
>
Understood, I've actually been dogging it too much since I got back from 
GFM anyway - should
get more stuff on ebay - but sorry to be seeing you agin.

ann

>
>On Jun 24, 2007, at 7:32 AM, ann sanfedele wrote:
>
>  
>
>>Yeah  - remember the lens doesn't rotate - so you don't have to adjust
>>the polarizer every time you re focus
>>as long as your point of view is the same and the light doesn't  
>>change.
>> I'm embarrassed to tell you how long
>>it took me to figure that one out :)
>>
>>Hmmm I guess that wouldn't be true if you are using an old manual lens
>>on the DSLR though.
>>
>>ann
>>
>>Bob W wrote:
>>
>>    
>>
>>>I'm off to West Dorset tomorrow for another few days of pootling  
>>>about
>>>on my bike, doing day rides from a fixed point this time, and
>>>returning on Friday.
>>>
>>>I'm going to take a polariser, probably. I haven't used a  
>>>polariser in
>>>digital photography before. Is there anything I particularly need to
>>>look out for, or be aware of? I use B+W and Contax circular
>>>polarisers, which are neutral in colour and good quality, but if
>>>there's anything intrinsically different about using them with  
>>>digital
>>>compared to film, please let me know.
>>>      
>>>
>
>
>  
>



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