R lenses on Canon 5D

[pgk]

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I'm thinking of having the mirror of my 5D trimmed - not as difficult as might be thought - I have a repairer prepared to try this on a new mirror assembly prior to fitting it. Then my 19/2.8II should fit.... . I may later consider the mod. on the MkII.

[stunsworth]

Remember that you won't get consistent exposure if you use an uncoupled lens on the 5D. It didn't bother me as I shot RAW and there was enough dynamic range to cope if I dialled in some -ve exposure compensation, but it might be more of a concern to others.

[Guest Xing]

Remember that you won't get consistent exposure if you use an uncoupled lens on the 5D.

 

It happens mainly at small f-stops. I find that if I don't stop down past f/8 it's a non-issue. And frankly, I tend to shoot either wide open or 1-2 stops down 99% of the time with those uncoupled lenses, because at slower stops even modest Canon lenses tend to be at least as good as the R lenses, and because stopping down is a time-killer such that only static subjects can take it.

[stunsworth]

It happens mainly at small f-stops. I find that if I don't stop down past f/8 it's a non-issue

 

I agree, it was a non-issue for me too. Though I'd say the effect was noticable before getting to f8. I had -2/3rd of a stop dialled into the exposure compensation and it never caused me a real problem.

 

I shot almost exclusively with Leica glass on Canon bodies for 2-3 years, so I can't really grumble. Oddly enough I don't remember having the same problem with a 300D or 20D.

[gisling]

"No wide Leica lense that fits the Canon. "

 

No true.

I use Leica Elmarit R19 (first version) on Canon5DII with no problem.

[gisling]

Elmarit R19 version 1 on 5DM2(without mirror shaving)

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[Iduna]

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I can only add here that I work with a Canon 5D MKII and a range of R lenses from the elmarit type and one Telyt. All these lenses can be mounted easily with quite a wide range of adapters. Even focus is being displayed and this feature is a help. I exchanged the focussing screen in favour of a manual screen. I think Bono has posted a list which lenses can be adapted without problems. This is the case for quite a big range of those lenses. The output in IQ is really worth all effort struggling with a manual focus etc. You'll like your results surely, try it out.

[msshea]

I have the Leica R 19mm Elmarit and used it with no problems on my old Canon 20D. I had to get the mirror shaved to use it on my Canon 5D; not a difficult job if you're handy with a Dremel tool, but make sure that you have a vacuum cleaner going with the nozzle as close as possible to your work area to eliminate the possibility of leaving metal bits in the mirror box.

 

The mirror on my Canon 5D MKll also wouldn't clear the rear of the lens. Some people have been lucky with that though.

 

Merrill