Re: [Leica] 400mm on a LTM camera

["Roland Smith" <roland@dnai.com>]

Hello Paul:

Your results are incourageing.  You do have an impediment in that the 2X
requires a two f-stop compensation and you had to  work with the lens wide
open.

My lens, being a 400, may make it possible to stop down and with 400 ISO
film provide for a fast shutter speed of  at least 1/500.

I have a 200mm telyt viewfinder adapted to fit in a camera accessory shoe
and a Tewe variable finder with a 200mm size opening.  I will try them while
centering the lens.

Incidently, I picked up the Tamron 400mm f6.9 lens for only $40.  A failure
in the experiment will not be a big loss while a success may present a cheap
alternative for a focal length that I may not use very often.

Best regards,
Roland Smith
Oakland, California
- ----- Original Message -----
From: "Ted Grant" <tedgrant@shaw.ca>
To: <leica-users@mejac.palo-alto.ca.us>
Sent: Friday, February 06, 2004 3:12 PM
Subject: Re: [Leica] 400mm on a LTM camera


> Paul Connet showed:
> Subject: [Leica] 400mm on a LTM camera
>
>
> > Roland Smith has recently been asking about viewfinders for use with a
> 400mm
> > lens on a LTM rangefinder. I offered a suggestion that he try a 135mm
> > viewfinder with the frame masked off to show a 400mm view.
> >
> > I decided to try it myself, so cobbled together a Nikor 200mm/f4 with a
7
> > element 2x converter on a Nikon/LTM adapter, and mounted it on a FED 3a
> > rangefinder with a 135mm Canon viewfinder. The camera already had half a
> roll of 200
> > speed color print film in it, so I just took it on my daily walk. I was
a
> little
> > surprised at the usability of the combination, and pleased with the
> results.
> >
> > Please remember that the lens and converter do not make the sharpest of
> glass
> > combinations and that I was handholding a 400mm. The film was 200 speed
> and
> > the camera limited to 1/500 top speed. Also I did not mask off the
> viewfinder
> > for a 400mm view, I just centered the subject in the 135mm frame.
> >
> > http://www.leica-gallery.net/connet/image-60437.html
> > > http://www.leica-gallery.net/connet/image-60436.html
> > > http://www.leica-gallery.net/connet/image-60435.html
> > > Take a look.<<<<<
>
> Hi Paul,
> I suppose one could say good on you for giving it try, however my friend
I'm
> not sure what it proves other than using a rangefinder camera to focus in
a
> viewfinder, then  centering the subject on a screw mount camera with a
400mm
> lens is for sure not worth the effort. And I'm allowing for the
lens/adapter
> rig you cobbled together also. Another admirable effort. When it works so
> simply and "perfectly " with an SLR, Leica of course. ;-)
>
> And as far as hand holding there are people on the list who hand hold and
> shoot 400mm or longer and everything is in focus because the subject is
> right in the viewfinder where you focus and shoot at the same time without
> moving your eye from rangefinder then to auxiliary viewfinder.
>
> Quite frankly you deserve excellent marks for trying this rig with a high
> flying Hawk! An interesting experiment to say the least. Which I'm sure
> proves the point, that all in all it's much easier to purchase an R camera
> adapt or mount your lens of choice, then focus and shoot looking through
the
> camera ground glass screen viewfinder.
>
> I bet you'll only try this rangefinder long lens rig once, as it proved an
> excellent point with long glass and shooting moving subjects. Go SLR! :-)
>
> ted
>
>
>
>
>
>
>
> --
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