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

[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]

Subject: [Leica] Lens/Filter questions
From: Frank.Dernie at btinternet.com (Frank Dernie)
Date: Tue May 8 03:21:51 2007
References: <Pine.LNX.4.62.0705071306040.31514@mail.2alpha.com>

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


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