[LRflex] Re: Using R lenses on digital bodies...
- From: Steve Barbour <steve.barbour@xxxxxxxxx>
- To: leicareflex@xxxxxxxxxxxxx
- Date: Sat, 6 Feb 2010 13:27:45 -0800
terrific...thank you, Steve
On Feb 6, 2010, at 1:27 PM, Aram Langhans wrote:
> Here it is, Steve.
> Go down to "Metering"
>
>
> Aram
>
> --------------------------------------------------
> From: "Aram Langhans" <leica_r8@xxxxxxxxxxx>
> Sent: Friday, January 29, 2010 8:32 AM
> To: <leicareflex@xxxxxxxxxxxxx>
> Subject: Re: Herman's Canon-R question
>
>> Herman
>>
>> I cannot comment directly on the 5DII, but on Canon in general. I have
>> used R glass on a few Rebels, a 20D, 40D an a 5D.
>>
>> Adapters. I have used a variety of the cheap adapters from E-xxx and have
>> not had a problem with any of them. I have 4. Maybe the more expensive
>> ones are better made, but none of these cheap ones have failed me. They
>> all fit firmly, no lens play at all, other than perhaps rotational, but no
>> more than with the Canon lens I had, or the Tokina and Sigma I have now.
>> So my advice is to not waste your money on an expensive adapter.
>>
>> Focus confirmation chip - by all means, get an adapter that has a FC chip.
>> Especially if your eyes are over 50 years old.
>>
>> Metering - This is the downfall of the Canon-R system. Meters fine wide
>> open, but fails to respond in a linear fashion as you stop down. If you
>> always use the same f-stop, you can program the compensation into the
>> camera (+/- control) and not have a problem. If you use different f-stops
>> to suite the scene, you must make adjustments all the time. Here is my
>> workflow...
>>
>> I choose to use A mode when using a Canon mount lens and let the camera do
>> the work.
>> I choose to use M mode when using R glass. I meter wide open, then stop
>> down to the f-stop I want and slow the shutter down the appropriate
>> amount, ignoring what the meter says. If I stop down from f-2 to f-4, I
>> will then change the shutter two equivalent settings, say from 1/250 to
>> 1/60.
>>
>> Why do I do this? I use to try A mode with R glass but ran into a few
>> problems.
>>
>> A different +/- was needed for each f-stop
>> Sometimes the 2 stop limit of +/- on my Rebel was not enough if I stopped
>> down a lot.
>> When I would then switch to Canon mount glass, I would forget to null the
>> +/- and have underexposed shots.
>>
>> By using A for Canon mount glass, and always having the +/- at zero, I
>> never have to remember to null this. Just switch to A for Canon mount
>> glass and M for R glass. Only exception is if I am using R glass for a
>> lot of shots under different lighting but I know I am not changing
>> f-stops. Kind of P&S sessions. But I really have to remember to null the
>> +/- when I am done.
>>
>> Hope this helps in your decision.
>>
>> Aram
>>
>> --------------------------------------------------
>> From: "Herman Kempers" <info@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
>> Sent: Friday, January 29, 2010 3:07 AM
>> To: <leicareflex@xxxxxxxxxxxxx>
>> Subject: [LRflex] Re: leicareflex Digest V7 #28
>>
>>>> Obviously, he's now thinking of getting into digital, which is how he >
>>>> came to contact me about using his R glass on the Canon 5DII which >
>>>> he's thinking of purchasing.
>>> David Young Dear David (and others) I hope not annoying anybody to bring
>>> in this probally old topic, but I'm also very interested in R glass on my
>>> 5dII (I more or less abandon the idea of buying a second hand DMR; IF you
>>> find one they are rather expensive and I'm a bit worried about replacing
>>> batteries and so. And the cropfactor is something that is not very
>>> appealing for the way I work. (I would still needing the 5d....) I read a
>>> lot of threads and posts about this subject, but get different opinions
>>> ( same thing can happen now again....) -I think there's a lot of choice
>>> about the adapter-mayby that is the most easy part of my question. -What
>>> is the change of getting problems with backfocus and infinty. -What about
>>> the exposure meter in the 5dII ? Does it work well not getting any EXIF
>>> information? -What about changing screen for better focussing?
>>> (Brightscreen??) No problems with exposure and/or backfocus? If any of
>>> you are using a 5dII with R glass please tell me which com
>>> bination works perfect for you. And ofcourse there are the mirrorproblems
>>> of the 5d. I really would like to use the 19 mm, but on Pebbleplace I
>>> read that the latest version cannot be used, but the 11225 does fit. If
>>> anyone has a good advice, I'll be more then happy!! (BTW; he R5 will be
>>> used most of the time!!) Herman Kempers
>>>
>>>
>>>
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