Archived posting to the Leica Users Group, 2010/04/02

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Subject: [Leica] widest lens used?
From: richard at imagecraft.com (Richard Man)
Date: Fri, 2 Apr 2010 12:09:51 -0700
References: <613857203.2808141270144633399.JavaMail.root@mail02.pantherlink.uwm.edu> <j2jeb6799211004011427w1d6a2aedv30e53dc5ad2e8719@mail.gmail.com> <C2A558A1-2434-40BA-ACED-5DA46BC0423E@gmail.com> <792B6681-36BD-4AF9-9F7C-7B937C5A8665@gmail.com> <06199C3D-1F39-4FDC-84D4-10A6E1FA6915@gmail.com> <09A2F95F-F2F6-4952-9681-849FC849A89D@charter.net> <6B412598-81A1-46D3-A17F-641209DED14C@gmail.com> <AB74315B-2112-4E0B-9D32-CCE457BF8654@usjet.net> <D5B49BC5-ECA8-42DE-B339-755E0C31D9BB@gmail.com> <CB572360-F01C-47E5-A982-5AEC645B83F9@usjet.net>

>From what I understand from the interweb, the original new release optimizes
focus at F2.8 or something like that and Zeiss got flak for doing i,t - why
get a 1.5 lens if it's not focus correctly at 1.5? The later releases change
the optimal focal aperture to 1.5.

On Fri, Apr 2, 2010 at 10:01 AM, Robert Meier <robertmeier at usjet.net> 
wrote:

> That means it's out of allignment.   It should be alligned to focus dead-on
> at full aperture.
>
>
>
> On Apr 2, 2010, at 10:07 AM, Jeffery Smith wrote:
>
>  The problem seems to be that it shifts INTO focus when stopped down, but
>> is not in focus wide open. Maybe Mehrdad can help us out here. He got his
>> Sonnar modified by Zeiss.
>>
>> Jeffery
>>
>>
>> On Apr 2, 2010, at 9:58 AM, Robert Meier wrote:
>>
>>  Focus shift normally means a lens shifts focus as it's stopped down.   It
>>> should focus accurately wide open.
>>>
>>> On Apr 2, 2010, at 9:25 AM, Jeffery Smith wrote:
>>>
>>>  I'm not sure which way it shifts. I just have a hell of a time getting
>>>> it in focus at 1.5.
>>>>
>>>> Jeffery
>>>>
>>>> On Apr 2, 2010, at 9:04 AM, slobodan Dimitrov wrote:
>>>>
>>>>  That's interesting! Usually the focus shift tends to go back, as
>>>>> opposed to forward.
>>>>> S.d.
>>>>>
>>>>> On Apr 2, 2010, at 6:04 AM, Jeffery Smith wrote:
>>>>>
>>>>>  It has been out for a few years now. I believe that it is a faithful
>>>>>> reproduction of the earlier optical formula. Some have had trouble 
>>>>>> with
>>>>>> focus shift on it, and I think Zeiss can modify the lens to address 
>>>>>> that. I
>>>>>> have trouble getting things in focus with it wide open, as you can 
>>>>>> see here.
>>>>>> I was focusing on the eyes, but didn't hit the mark.
>>>>>>
>>>>>> http://www.400tx.com/files/NOLABW/26.html
>>>>>>
>>>>>> Jeffery
>>>>>>
>>>>>> On Apr 2, 2010, at 7:03 AM, Lluis Ripoll Querol wrote:
>>>>>>
>>>>>>  Impressive!
>>>>>>>
>>>>>>> I didn' know that Sonnar 50/1.5 was also available in M mount, I
>>>>>>> suppose is quite rare. My Sonnar's (50 and 85) are Contax original 
>>>>>>> mount and
>>>>>>> I use an special adapter Contax RF to Leica M.
>>>>>>>
>>>>>>> Cheers
>>>>>>> Lluis
>>>>>>>
>>>>>>>
>>>>>>> El 02/04/2010, a las 0:39, Jeffery Smith escribi?:
>>>>>>>
>>>>>>>  Do you have this many fingers?
>>>>>>>> Canon   50/1.2 (LTM)
>>>>>>>> Canon   50/1.4 (LTM)
>>>>>>>> Elmar   50/2.8 (LTM)
>>>>>>>> Elmar   50/2.8 (M)
>>>>>>>> Elmar   50/3.5 (LTM)
>>>>>>>> Heliar  50/2 (M-collaps.)
>>>>>>>> Heliar  50/2 (M)
>>>>>>>> Heliar  50/3.5 (S)
>>>>>>>> Heliar  50/3.5 (LTM)
>>>>>>>> Hexanon 50/1.2 (M)
>>>>>>>> Hexanon 50/2 (M)
>>>>>>>> Hexanon 50/2.5 (LTM)
>>>>>>>> Nikkor  50/1.4 (LTM)
>>>>>>>> Nikkor  50/1.4 (S)
>>>>>>>> Nokton  50/1.1 (M)
>>>>>>>> Nokton  50/1.5 (LTM)
>>>>>>>> Nokton  50/1.5 (S)
>>>>>>>> Planar  50/2
>>>>>>>> Serenar 50/1.8 (LTM)
>>>>>>>> Skopar  50/2.5 (LTM)
>>>>>>>> Skopar  50/2.5 (S)
>>>>>>>> Sonnar  50/1.5 (C)
>>>>>>>> Sonnar  50/1.5 (LTM)
>>>>>>>> Sonnar  50/1.5 (M)
>>>>>>>> Summarit        50/1.5 (LTM)
>>>>>>>> Summicron       50/2 (M.)
>>>>>>>> Summicron       50/2 (collaps.)
>>>>>>>> Summilux        50/1.4 asph
>>>>>>>> Summilux        50/1.4 pre-asph
>>>>>>>> Summitar        50/2 (M)
>>>>>>>>
>>>>>>>> I didn't count the Tri-Elmar as 1/3 of a 50.
>>>>>>>>
>>>>>>>> Jeffery
>>>>>>>>
>>>>>>>> On Apr 1, 2010, at 4:27 PM, Richard Man wrote:
>>>>>>>>
>>>>>>>>  Ha ha ha
>>>>>>>>>
>>>>>>>>> Aren't you Jeffery "More 50mm than my fingers" Smith?!
>>>>>>>>>
>>>>>>>>> On Thu, Apr 1, 2010 at 2:25 PM, Jim Nichols <
>>>>>>>>> jhnichols at lighttube.net> wrote:
>>>>>>>>>
>>>>>>>>>  What's the current count, Jeffery?  I have only about half a
>>>>>>>>>> dozen.
>>>>>>>>>>
>>>>>>>>>> Jim Nichols
>>>>>>>>>> Tullahoma, TN USA
>>>>>>>>>> ----- Original Message ----- From: "Jeffery Smith" <
>>>>>>>>>> jsmith342 at gmail.com>
>>>>>>>>>>
>>>>>>>>>> To: "Leica Users Group" <lug at leica-users.org>
>>>>>>>>>> Sent: Thursday, April 01, 2010 4:19 PM
>>>>>>>>>>
>>>>>>>>>> Subject: Re: [Leica] widest lens used?
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> I do, I do!
>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> Jeffery
>>>>>>>>>>>
>>>>>>>>>>> On Apr 1, 2010, at 4:09 PM, Richard Man wrote:
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>  Do you even have a 50mm lens :-)
>>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> --
>>>>>>>>>>>> // richard <http://www.imagecraft.com/> blog: <
>>>>>>>>>>>> http://imagecraft.wordpress.com>
>>>>>>>>>>>> // portfolio: <
>>>>>>>>>>>> http://www.imagecraft.com/pub/PICS/AnotherCalifornia2>
>>>>>>>>>>>> // mailing lists: <http://www.imagecraft.com/contact.html>
>>>>>>>>>>>> [ For technical support on ImageCraft products, please include
>>>>>>>>>>>> all
>>>>>>>>>>>> previous
>>>>>>>>>>>> replies in your msgs. ]
>>>>>>>>>>>>
>>>>>>>>>>>> _______________________________________________
>>>>>>>>>>>> Leica Users Group.
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>>>>>>>>>>>> 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
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> --
>>>>>>>>> // richard <http://www.imagecraft.com/> blog: <
>>>>>>>>> http://imagecraft.wordpress.com>
>>>>>>>>> // portfolio: <
>>>>>>>>> http://www.imagecraft.com/pub/PICS/AnotherCalifornia2>
>>>>>>>>> // mailing lists: <http://www.imagecraft.com/contact.html>
>>>>>>>>> [ For technical support on ImageCraft products, please include all
>>>>>>>>> previous
>>>>>>>>> replies in your msgs. ]
>>>>>>>>>
>>>>>>>>> _______________________________________________
>>>>>>>>> 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
>>>>>>>
>>>>>>
>>>>>>
>>>>>> _______________________________________________
>>>>>> 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
>>>>
>>>
>>>
>>> _______________________________________________
>>> 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
>



-- 
// richard <http://www.imagecraft.com/>
// icc blog: <http://imagecraft.wordpress.com>
// photo blog: <http://www.5pmlight.com>
[ For technical support on ImageCraft products, please include all previous
replies in your msgs. ]


Replies: Reply from hopsternew at gmail.com (Geoff Hopkinson) ([Leica] widest lens used?)
Reply from jsmith342 at gmail.com (Jeffery Smith) ([Leica] widest lens used?)
In reply to: Message from richard at imagecraft.com (Richard Man) ([Leica] widest lens used?)
Message from jsmith342 at gmail.com (Jeffery Smith) ([Leica] widest lens used?)
Message from lluisripollquerol at gmail.com (Lluis Ripoll Querol) ([Leica] widest lens used?)
Message from jsmith342 at gmail.com (Jeffery Smith) ([Leica] widest lens used?)
Message from s.dimitrov at charter.net (slobodan Dimitrov) ([Leica] widest lens used?)
Message from jsmith342 at gmail.com (Jeffery Smith) ([Leica] widest lens used?)
Message from robertmeier at usjet.net (Robert Meier) ([Leica] widest lens used?)
Message from jsmith342 at gmail.com (Jeffery Smith) ([Leica] widest lens used?)
Message from robertmeier at usjet.net (Robert Meier) ([Leica] widest lens used?)