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The M (240) r - adapter

dennersten

By dennersten
in Leica R System

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jpattison

jpattison

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Exactly.

But with DSLR you have the first option to view the image with the lens wide open, and it is much easier to set the distance setting with a narrow depth of field.

 

Because the camera doesn't know what aperture the lens is set at.

What's wrong with focusing at full aperture before metering closed down? You are using a manual camera. No-one said the M is now going to be the Olympics camera of choice!

 

John

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biglou

biglou

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Because the camera doesn't know what aperture the lens is set at.

What's wrong with focusing at full aperture before metering closed down? You are using a manual camera. No-one said the M is now going to be the Olympics camera of choice!

 

John

 

What you say is possible but very slow, the subject can move and you too.

Besides this i think adding a convenient aperture command to the adapter does not involve anything out of reach for Leica or new technology to develop.

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jpattison

jpattison

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i think adding a convenient aperture command to the adapter does not involve anything out of reach for Leica or new technology to develop.

 

Yes, I see what you mean. The R 28 2.8 PC lens by Schneider for Leica had such a lever, but with internal coupling. This should have inspired them.

 

http://www.l-camera-forum.com/leica-wiki.en/index.php/28mm_f/2.8_PC-Super-Angulon-R

 

Regards,

John

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wildlightphoto

wildlightphoto

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Yes, I see what you mean. The R 28 2.8 PC lens by Schneider for Leica had such a lever, but with internal coupling. This should have inspired them.

 

http://www.l-camera-forum.com/leica-wiki.en/index.php/28mm_f/2.8_PC-Super-Angulon-R

 

Regards,

John

 

This would also solve the problem discussed here: http://www.l-camera-forum.com/leica-forum/leica-r-leica-flex/273992-apo-extender-r-1-4x-2x.html

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biglou

biglou

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Yes, I see what you mean. The R 28 2.8 PC lens by Schneider for Leica had such a lever, but with internal coupling. This should have inspired them.

 

http://www.l-camera-forum.com/leica-wiki.en/index.php/28mm_f/2.8_PC-Super-Angulon-R

 

Regards,

John

 

Yes, this is a solution, not a bad one.

The luxury would be an electrical command trigerred by the camera itself, but surely much more expensive.

Regards

Joël

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mjh

mjh

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Besides this i think adding a convenient aperture command to the adapter does not involve anything out of reach for Leica or new technology to develop.

There will be an adapter with a stop-down button. Not from Leica though.

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masjah

masjah

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Reading all this leads me to ask:

 

With the experience Leica now has with the DMR, M8, M9, MM, and now the M (240), how about a full frame DMR II?

 

Guy

 

If by that you mean a module that will fit on to an R8/R9 then full frame is not possible. Because of the various glass in front of the actual sensor array which is an intrinsic part of its construction, the front of the sensor has to be placed slightly in front of the film plane, This means that the sensor has to go inside the film gate. All sensors need some unused space around their perimeters - so full frame is not possible.

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mjh

mjh

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And it's available when and from which company?

Konstruktionsbüro Leibfritz is working on it. I cannot say when it will be available.

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gravastar

gravastar

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Konstruktionsbüro Leibfritz is working on it. I cannot say when it will be available.

Good news :). I hope it works like the method adopted by Olympus for their original OM shift lenses. One push on a spring loaded tab stops down and the lens stays stopped down, another push opens to full aperture which stays open until the tab is pushed again ie. a toggle action.

 

Bob.

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gvaliquette

gvaliquette

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If i am understanding this page correctly:

 

Leica Camera AG - Photography - NEW ADAPTER MAKES R-LENSES USEABLE WITH NEW LEICA M

 

I can use all the 2 cam and 3 cam lenses?

 

What am i loosing with using a 2 cam? Or is it no differences?

 

It says "Leica R-Lenses", so that could be interpreted narrowly to mean 3rd-CAM only (and ROM), or more openly to mean any R-mount lens (1-, 2-, 3-CAM, 3rd CAM-only and ROM). Since it does not seem to read the lens information and meters at working aperture, I conclude that the CAM and ROM information is not read, is ignored and any R-bayonet lens can be mounted.

 

So, what are you loosing? A lot! Back to entering lens information manually, as I am doing now with my M9 and non-coded M-lenses; That means that, at least half the time, the manually entered information is wrong. I am now working on coding my uncoded M lenses, so I will be able to solve that, but that will not be an option with R-lenses and the new R to M adaptor. What a shame!

 

Guy

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algrove

algrove

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I am now working on coding my uncoded M lenses, so I will be able to solve that, but that will not be an option with R-lenses and the new R to M adaptor. What a shame!

 

Guy

 

From I recall at Photokina you can manually select around 20 R lenses from the list the R adapter brings up. Yes, it's manual coding, but selectable at least.

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jaapv

jaapv

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It says "Leica R-Lenses", so that could be interpreted narrowly to mean 3rd-CAM only (and ROM), or more openly to mean any R-mount lens (1-, 2-, 3-CAM, 3rd CAM-only and ROM). Since it does not seem to read the lens information and meters at working aperture, I conclude that the CAM and ROM information is not read, is ignored and any R-bayonet lens can be mounted.

 

So, what are you loosing? A lot! Back to entering lens information manually, as I am doing now with my M9 and non-coded M-lenses; That means that, at least half the time, the manually entered information is wrong. I am now working on coding my uncoded M lenses, so I will be able to solve that, but that will not be an option with R-lenses and the new R to M adaptor. What a shame!

 

Guy

I think this is a bit of a non-issue if one uses this feature as intended, i.e. the additional use of non-M lenses, specifically R lenses. I think that if one plans to use it on a regular basis or even shoot the camera exclusively with R glass, adapting the system for a DSLR is the better choice.

In that sense it is not the optimum R solution. Only an R10 could have been that.

Having said that, I really look forward to not having to schlepp the DMR when traveling.

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biglou

biglou

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I think this is a bit of a non-issue if one uses this feature as intended, i.e. the additional use of non-M lenses, specifically R lenses. I think that if one plans to use it on a regular basis or even shoot the camera exclusively with R glass, adapting the system for a DSLR is the better choice.

In that sense it is not the optimum R solution. Only an R10 could have been that.

Having said that, I really look forward to not having to schlepp the DMR when traveling.

 

Exactly what i feel after i tried it briefly.

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naturephoto1

naturephoto1

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I think this is a bit of a non-issue if one uses this feature as intended, i.e. the additional use of non-M lenses, specifically R lenses. I think that if one plans to use it on a regular basis or even shoot the camera exclusively with R glass, adapting the system for a DSLR is the better choice.

In that sense it is not the optimum R solution. Only an R10 could have been that.

Having said that, I really look forward to not having to schlepp the DMR when traveling.

 

My problem with using my R glass exclusively on a DSLR is that I have to use the lenses wide open to focus and then stop down to the working aperture unless I can deal with the darkened view of the finder. Of course, focus can be an issue with many of the DSLR cameras and getting the screens to register properly for focus. Then of course is the hope that the camera is metering properly at the working aperture.

 

The new M240 came reasonably close to at least a relatively acceptable R "solution" for much or even most of my work. But, the straw that broke the camel's back for my not purchasing the camera is the fact of not having a scrolling magnified view. The mirrorless type application would allow for adjusting for the brightness of the scene at working aperture, but since the bulk of my work is tripod mounted I need to be able to move the focus point around in much of my work including landscape and close-up, working with my shift lens, etc. I don't even want to think about those trying to work with a T/S lens without having the ability to scroll. What a headache and the LCD screen is much smaller to work with than my 4" X 5" cameras to try to work without the scrolling.

 

For now I will use my Fuji X-E1 and wait for another FF option.

 

Rich

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