Archived posting to the Leica Users Group, 2010/11/09

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Subject: [Leica] CODING???? is it really a necessary evil?
From: sonc.hegr at gmail.com (Sonny Carter)
Date: Tue, 9 Nov 2010 13:37:12 -0600
References: <AANLkTikbsz4vXyMe7FLSX0mb4Sap8Hvgc7X0ZnsdxMR=@mail.gmail.com> <F5C290BDF7CA40CB8738521BAFE77000@syneticfeba505> <AANLkTimzkNgrSeUaeiDf-UToQ0v0pknbzC0+-AYtNvDg@mail.gmail.com>

With my CV 15 and 21, I often get cyan vignette, which is a pain to get out
of the shot.

My coded 21mm Leica lens doesn't exhibit that fault.





On Tue, Nov 9, 2010 at 1:24 PM, Geoff Hopkinson <hopsternew at 
gmail.com>wrote:

> Ted it won't make any difference that you would care about with your 35, 50
> and 90.
> the 15 and 21 will vignette more and maybe have coloured corners but you
> might not notice that for many shots.
> It helps for identifying the lenses afterwards. Since you already have
> hundreds of thousands of shots without that info, I doubt that you care.
> It helps with flash. I KNOW you don't care!
> Cheers
> Geoff
> http://www.pbase.com/hoppyman
>
>
> On 10 November 2010 03:15, <tedgrant at shaw.ca> wrote:
>
> > Hi Crew,
> > CODING?  for M series lenses on an M8 or whatever?
> >
> > Here we go, stupid question for the week. Is the coding just the usual
> > techie number stuff? Or is it absolutely necessary? Do major good things
> > happen if I do have them coded? Or major bad things happen if I don't?
> >
> > I have a CV 15mm & 21, both cut beautiful images. a Leica 35 Summilux, 90
> > Summicron, & a Noctilux. Did have several others... sold them.
> >
> > Not one has been marked other than maybe me banging them on something.
> >
> > So I have tons of images shot with any mixture of these lenses, several
> > have been published, several are for the new medical student book. But
> they
> > all look cool and blow up to  make beautiful prints 18X12 on 13X19 fine
> art
> > paper. Colour or B&W.
> >
> > Clients have been very pleasantly surprised, I am quite happy with the
> > results, nor do I have any qualms about the "LEICA" looking quality nice
> and
> > sharp!  So? What am I doing wrong that I acquire such wonderful quality
> > without seeing any weird looking effects in the photographs without
> coding?
> >
> > Or am I just bloody lucky?  Yeah I know it could be me not understanding
> > the techie stuff as usual. :-) But then if I did that techie kind of
> stuff
> > for the past 60 years I wouldn't be where I am today.
> >
> > cheers,
> > Dr. ted :-)
> > PS: Or is it merely another money making line by Leica to have older
> lenses
> > returned for coding because some techie guy in Wetzlar on a test bench
> saw
> > three microns difference and freaked out! Therefore all coding is
> necesary?
> >
> > Last question.
> > "Can you actually see the difference in a print with the naked eye, coded
> > or not?? If not? then like... "WHO CARES!" :-)
> >
> >
> >
> > _______________________________________________
> > 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
>



-- 
Regards,

Sonny
http://sonc.com/look/
Natchitoches, Louisiana

USA


Replies: Reply from richard at imagecraft.com (Richard Man) ([Leica] CODING???? is it really a necessary evil?)
In reply to: Message from jean.louchet at gmail.com (Jean Louchet) ([Leica] CV Ultra-wide Heliar (12mm) 6-bit coding on M9)
Message from tedgrant at shaw.ca (tedgrant at shaw.ca) ([Leica] CODING???? is it really a necessary evil?)
Message from hopsternew at gmail.com (Geoff Hopkinson) ([Leica] CODING???? is it really a necessary evil?)