[Leica] Lei-ko R lens to S body adapter ring

[John McMaster]

It is interesting to see how large an image circle most of the R lenses have, I sent Doug some links to the Mamiya 300mm f2.8 APO on the S2 a while back ;-)

john
________________________________________
Hi John,

Thanks. I have seen that thread before. Hence my curiosity. I am not interested in using the adapter for short focal lengths, as Leica make lenses to suit (if you can afford them). But there is a distinct lack of longer focal lengths, which I do use. Thus I wanted to know if the 280/4 would focus at a reasonable distance to shoot motorsport or aircraft. Also i anted to know if the 180/2 would focus to enable me to do concert and stage shots.

Doug Herr, of course, is interested, as he is, like me, one of the last few remaining DMR shooters. Hence I have corresponded with him as well, off list.

Best wishes,

Charlie

On 28 Aug 2014, at 22:14, John McMaster <john at mcmaster.co.nz> wrote:

> http://www.l-camera-forum.com/leica-forum/leica-s-typ-006-s2-forum/280110-lei-ko-r-s-adapter.html #19 onwards shows the image circles on an IQ180
>
> john
> ________________________________________
>
> Do the lenses cover the full format of the S2?
>
> Gene
>
> ----- Original Message -----
> From: "Doug Herr" <wildlightphoto at earthlink.net>
> To: "Leica Users Group" <lug at leica-users.org>
> Sent: Wednesday, August 27, 2014 11:40:00 AM GMT -06:00 US/Canada Central
> Subject: Re: [Leica] Lei-ko R lens to S body adapter ring
>
> Charlie Chan wrote:
>
>>>>
> This is for those, who would love to use some of their R lenses on a new S (006) or S2 body. I have just bought an adapter ring from Michael Leibfritz in Germany
>
> www.lei-ko.de
>
> It cost 500 euros including overnight european courier delivery. It is beautifully made. You can only use it for lenses of 180 or longer.  The new S lenses top out at 180 focal length. The rumoured 350 S lens may well not happen. Focus is manual of course with stop down metering. The max focus distance is limited, unless you send the lenses to Leica for adjustment.
>
> …
>
> 280/4 APO - max focus distance at infinity point on lens barrel is about 20m, but my copy goes beyond infinity to the “feet / m” mark on the barrel (which is 40m + in real life).
> <<<
>
> There was some variation in 280mm f/4 APO production.  My original copy (originally 3rd-cam, now getting its biennial diaphragm de-gumming) is like Charlie's lens.  My newer copy (ROM) focuses only slightly past infinity and even has a different focussing pitch. Sounds like the older version is a better fit for the S2 + lei-ko adapter.
>
>
> Doug Herr
> Birdman of Sacramento
> http://www.wildlightphoto.com
>
>