Archived posting to the Leica Users Group, 2007/01/21

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

Subject: [Leica] IR with Leica
From: darkbulb at gmail.com (R S)
Date: Sun Jan 21 09:47:36 2007
References: <cb81b0b00701202124n33885970o2aecc2d27fdf70@mail.gmail.com> <000601c73d77$48ee7c60$6101a8c0@jimnichols>

Thanks for the suggestions. I'm heading up the wine country here in
California in an hour to try some of this out :)

On 1/21/07, Jim Nichols <jhnichols@bellsouth.net> wrote:
>
> After thinking about your question overnight, I decided to see if I had
> any
> more information that might be helpful.  On page 64 of the 1955 edition of
> The Leica Manual by Morgan & Lester, they illustrate their discussion of
> the
> IR index with a closeup photo of a lens focusing scale, but don't identify
> the lens.  I suspect it is the Summicron from its appearance.  It also
> shows
> the IR index mark coinciding with the 2.0 mark on the DOF scale.
>
> Good luck with your IR photos./
>
> Jim Nichols
> Tullahoma, TN USA
> ----- Original Message -----
> From: "R S" <darkbulb@gmail.com>
> To: "Leica Users Group" <lug@leica-users.org>
> Sent: Saturday, January 20, 2007 11:24 PM
> Subject: [Leica] IR with Leica
>
>
> > Does anyone know what the focusing compensation is when shooting IR film
> > using a Summicron 50/2?
> > Somewhere I think I remember it's 'focus forward 1/4% of the lens focal
> > length' - but I may be way off on that.
> >
> > I tried to see if my 1963 Summicron 50/2 has IR focus adjustment
> > indicators
> > on it but couldn't find anything that would make sens.
> >
> > Also if anyone have recommendation on film and filters to use that would
> > be
> > greatly appreciated as this will be the first time I attempt this.
> >
> > /Rich
> >
> > _______________________________________________
> > 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 darkbulb at gmail.com (R S) ([Leica] IR with Leica)
Message from jhnichols at bellsouth.net (Jim Nichols) ([Leica] IR with Leica)