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R lenses for EOS

tashley

By tashley
in Digital Forum

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ihw

ihw

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I have just bought an AF confirm adapter for use of R lenses on a Canon 5D. All of my lenses from 35mm to 200mm work fine. However the 21-35mm zoom lens does not work. For some reason the shutter remains open for several seconds irrespective of ambient light and no matter what settings are made in manual mode, the results are grossly under exposed (by at least 4 stops). I have no idea why this should be so but it's a shame because that was the lens I was really looking forward to using!

Ian

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tashley

tashley

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I have just bought an AF confirm adapter for use of R lenses on a Canon 5D. All of my lenses from 35mm to 200mm work fine. However the 21-35mm zoom lens does not work. For some reason the shutter remains open for several seconds irrespective of ambient light and no matter what settings are made in manual mode, the results are grossly under exposed (by at least 4 stops). I have no idea why this should be so but it's a shame because that was the lens I was really looking forward to using!

Ian

 

Sorry to hear that Ian. Which adaptor is it and where did you get it?

 

Tim

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HetDraakje

HetDraakje

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I have just bought an AF confirm adapter for use of R lenses on a Canon 5D. All of my lenses from 35mm to 200mm work fine. However the 21-35mm zoom lens does not work. For some reason the shutter remains open for several seconds irrespective of ambient light and no matter what settings are made in manual mode, the results are grossly under exposed (by at least 4 stops). I have no idea why this should be so but it's a shame because that was the lens I was really looking forward to using!

Ian

 

This (and some others) have problems with the big mirror of the 5D. All (non-)compatible lenses are found here:

Pebble Place

 

Boen

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Canfred

Canfred

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Advertisement (gone after registration)

Here is a test shot for you just to throw a little light on the subject.

Taken with a 40D I just got from New York.

Lens used was the Vario Elmar set at 28mm f8 absolute no after treatment exept downsizing here and changing to jpeg.

One word about the adaptor , the adaptor just fools the camera

computer it sets up the same condition Canon lenses do.

In no way the Leica lens is involved. This means you will get focus confirmation once you turn the focus ring , it does work to a degree with the lens open.

I had to install a fine ground screen the one in the 40D was useless , too bright no details.

Some more info on the adaptor for you I purchased three one of failed instantly a Roxcen the chip just glued on came of ,one more from Ericcc is working fine at the moment the best one is from Tago Tech in Signapore

while the chip is also glued on there is a metal support.

If anyone here needs specific info send me a note.

Just for the record I have no intentions letting Leica go , for a start you can not buy a Canon lens and use it fully open I did try this with a number of primes too.

I did this since you do loose auto stop down , focussing is no problems

I like to be in charge anyway.

All in all I am waiting for the R10, reading the interview with Mr Kaufman

has given me some hope, to this I like to say its fine if Leica needs to spend more time.

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ihw

ihw

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Sorry to hear that Ian. Which adaptor is it and where did you get it?

 

Tim

 

Tim, all of these adapters look alike and there is no makers name. It is quite well made and the chip appears to have been attached with epoxy resin. It has one large contact and 5 smaller ones which are stepped up from the large one. It was bought from a UK dealer on e-bay who was helpful but didn't know the answer to the problem. However an earlier post (thanks Boen) suggested that not all lenses will fit and gave a link to 'Pebble Place'. I have loked at this site and it appearsthat the 21-35mm will not function unless the plastic shroud on the lens mount is removed - an operation which is described as 'simple'. It refers to removing three small screws whereupon the shroud can be removed. I've had a look and whilst there are indeed three screws there are also two more that hold the rom contacts in place. Unless anyone knows differently I think I'll leave well alone!

Regards

Ian

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Jamie Roberts

Jamie Roberts

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Hey Tim,

 

I use adapters all the time. The ones that are a wee bit more expensive are probably better milled; CameraQuests are among the very best I've seen for quality but are not chipped.

 

The chipped ones work especially well on the Luxes. I find it's easy to misread critical focus wide open on a 5d or 1ds2 ground glass.

 

If, however, you're shooting a 35 Lux (!!) stopped down to f4 or f8 you just won't need the AF confirmation.

 

On the 5d, I shoot the current 28 Elmarit, current 35 Lux, current 50 Lux (my favourite all-round Leica 50 period), legendary 85 lux (soft portrait) and 100 APO (one of the sharpest R lenses ever) Elmarit macro all the time.

 

They're all exceptionally good, and on the 5d they shine in the their full-frame glory (and on the DMR they rock in terms of colour and resolution).

 

PM me if you need more details.

 

80 R lux at 1.6 right out of C1 (JFI profiles):

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tashley

tashley

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Hey Tim,

 

 

PM me if you need more details.

 

80 R lux at 1.6 right out of C1 (JFI profiles):

[ATTACH]78043[/ATTACH]

 

 

 

M'sieur, I tried to PM you bout your inbox is overflowing and I'm not allowed to send til you clear it!

 

What a GREAT shot that is!

 

T

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stunsworth

stunsworth

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If the M8 hadn't come along I'd still be using my 5D with Leica lenses. After a while the focus/stop down process becomes second nature. I bought a Brightscreen to help the focussing procedure.

 

I used a Cameraquest adaptor. As Jamie says there's no focus confirmation.

 

I was always very pleased with the output from the 5D, maybe I'm not fussy enough <grin>. I think this was taken with the 35mm, not sure.

 

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tashley

tashley

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If the M8 hadn't come along I'd still be using my 5D with Leica lenses. After a while the focus/stop down process becomes second nature. I bought a Brightscreen to help the focussing procedure.

 

I used a Cameraquest adaptor. As Jamie says there's no focus confirmation.

 

I was always very pleased with the output from the 5D, maybe I'm not fussy enough <grin>. I think this was taken with the 35mm, not sure.

 

 

 

So how did you get the AA filter out of the 5D?

;)

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gravastar

gravastar

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Tim,

You might be interested to know that Aperture Photographic are offering 30% off of R lenses. They only deal in used Leica equipment, I can't find any more details other than the announcement on their home page.

 

Aperture Photographic Tel. 020 7242 8681

 

What do they know that we don't? ;)

 

 

Bob.

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tashley

tashley

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Tim,

You might be interested to know that Aperture Photographic are offering 30% off of R lenses. They only deal in used Leica equipment, I can't find any more details other than the announcement on their home page.

 

Aperture Photographic Tel. 020 7242 8681

 

What do they know that we don't? ;)

 

 

Bob.

 

Thanks Bob, I'll take a gander!

 

Tim

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  • 3 months later...
glenerrolrd

glenerrolrd

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I used my R lens with a 5D as my primary outfit until I acquired a R9/DMR. A few issues you need to be aware of..(1) the wide angles are particularly sensitive to the adapter thickness(you will not achieve infinity focus if the adapter is too thick) . This let some adapter makers to develop "slim" specification adapters . This is most important with the Contax AE/MM wideangles less so for the R mount. (2) initially the focus confirmation chips were available separately from the adapters. While attaching them is frustrating there are templetes/jigs available to make this straightforward. I use the Cameraquest version and glued my own chips...very high quality solution. For the wideangles the adapters made by "Son" are generally thought to be the finest for tuning the fit. (3) the mirror clearance is an issue with the 5D ..less so with the Ids models . The Peeble Place list does a nice job of showing which lenses. The 5D mirrors are not uniform so some lenses will clear on one 5D and not on another. (4) the metering system can get thrown off and not be off the same amount at every apearture.....this is not a mistake... the metering will be close wide open but may over expose by 1/2 to 1 full stop and you can not compensate by simply dialing in a compensation unless you stay at a specific f stop. Once I got used to the characteristics ..I could adjust to a close enough aperature and it didn t bother me. Overall the files looked like leica glass but are not as good as the DMR files . Personally I would rather have the nikon D3 and use the new N zooms and the zeiss primes , But if you are happy with a Canon DSLR as the backbone of your system then the adapters open up some amazing alternative glass.

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thomasl.se

thomasl.se

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glenerrold,

 

I don't expect to be enamoured by the feel and handling of a Canon DSLR, but given the options available for using R lenses, I'll take some bad with the good.

 

I read the Pebble site, and the current 28 and 35 lux which Robert James use(d) are marked No in the 5D column: that's No as in no matter what 5D and no matter what's done to the kit, it just won't work. However it doesn't say if that's limited to 100% work: maybe a fit can be acheived but for instance not focus out to infinity.

 

On adapters, have you tried happypagehk's? They're delivered coded specifically for each lens' focal length and max aparture and supposedly enable as reliable metering as with Canon EF-lenses, and of course AF-confirm.

 

Thomas

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