Archived posting to the Leica Users Group, 2007/05/08

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Subject: [Leica] Lens/Filter questions
From: len-1 at comcast.net (Leonard Taupier)
Date: Tue May 8 11:27:42 2007
References: <Pine.LNX.4.62.0705071306040.31514@mail.2alpha.com> <7DF26AAB-2061-4EEF-83ED-EEF470C6D4CC@btinternet.com> <007a01c7919c$9cde5290$6601a8c0@fumclaptop>

Jeff,

I don't think Peter's question on the 40mm ring was ever answered.

Len


On May 8, 2007, at 2:13 PM, Jeff Matsler wrote:

> Hello,
>
> My internet provider had a cut cable and I have missed a day's  
> worth of emails.
>
> Did anyone answer Peter's question about the 40 to 39 ring?
>
> I have a Minolta 13.5cm f/4 that I believe has a 40mm filter size.   
> I would also be interested in SOMETHING that allowed me to use  
> either of my other series of filters and shades on it, as I can't  
> find anything in the 40mm format in the places I know to look.
>
> If someone has a source of 40mm filters and a telephoto shade (this  
> lens definitely would benefit from one) or a step-up / step-down  
> ring to do the same, please let me know.
>
> Jeff M
>
> ----- Original Message ----- From: "Frank Dernie"  
> <Frank.Dernie@btinternet.com>
> To: "Leica Users Group" <lug@leica-users.org>
> Sent: Tuesday, May 08, 2007 5:21 AM
> Subject: Re: [Leica] Lens/Filter questions
>
>
>> Why not sell the DR and buy a good contemporary Rigid which is   
>> optically identical and only cheaper because of the (much) more   
>> simple mount?
>> Frank
>>
>> On 7 May, 2007, at 21:07, Peter Klein wrote:
>>
>>> LUG:  A couple of obscure lens and filter questions:
>>>
>>> 1.  One of my favorite lenses is my 50/2 Dual-Range Summicron.    
>>> Which will not mount on a certain digital camera.  What are the   
>>> chances of my finding a broken or bad-glass Rigid Summicron,  
>>> into  which I could screw my DR's lens head?  How much might that  
>>> cost  me?  (I realize the mount focal length would have to match).
>>>
>>> 2.  Is there such a thing as a 40-39mm filter step-down ring?   
>>> That's forty, not forty point five.  The purpose would be to use  
>>> a  39mm filter on an old Canon 50/1.8 lens. (If not, I might have  
>>> to  resort to the "dental floss in the filter threads" trick, but  
>>> it's  a rickety solution.)
>>>
>>> 3. I have the early 1980s 90/2 Summicron with a 49mm filter   
>>> thread.  If I were to use a 49-46mm step-down ring (which I know   
>>> exists) and mount a 46mm filter on it, would it vignette?
>>>
>>> Yes, these questions involve that certain digital camera,  
>>> adapting lenses to same, and trying not to buy to many off-brand  
>>> filters  while waiting to get the free ones.
>>>
>>> --Peter
>>>
>>> _______________________________________________
>>> Leica Users Group.
>>> See http://leica-users.org/mailman/listinfo/lug for more information
>>
>>
>> _______________________________________________
>> Leica Users Group.
>> See http://leica-users.org/mailman/listinfo/lug for more information
>
>
> _______________________________________________
> Leica Users Group.
> See http://leica-users.org/mailman/listinfo/lug for more information


In reply to: Message from pklein at 2alpha.net (Peter Klein) ([Leica] Lens/Filter questions)
Message from Frank.Dernie at btinternet.com (Frank Dernie) ([Leica] Lens/Filter questions)
Message from jeffmatsler at amaonline.com (Jeff Matsler) ([Leica] Lens/Filter questions)