[LRflex] Re: DMR and flash

Und danke als dich auch!

Elliot
----- Original Message ----- 
From: "David Young" <telyt@xxxxxxxxx>
To: <leicareflex@xxxxxxxxxxxxx>
Sent: Friday, June 23, 2006 10:34 AM
Subject: [LRflex] Re: DMR and flash


> Elliot asked::
>
>>Quick question to those here using the DMR....are you simply using the TTL
>>option on the R8 or R9, or is there some other way to "do" flash with the
>>DMR?
>
> Hi Elliot!
>
> The TTL function does not work with the DMR and the reason is simple.
>
> TTL flash depends on the meter reading the light reflected off the
> film, during the exposure.  The reflectivity of the sensor is
> different than that of film, and thus any exposure calculated would
> be incorrect.
>
> The obvious solution would be to make an adjustment, knowing the
> reflectivity of the sensor.  However, this basic fact was not known
> when the R8 and R9 were designed, as the DMR had only been thought of
> as a concept, at that time.
>
> When/if the mythical R10-D  is ever produced, TTL flash will not only
> be possible, but easy, as the circuitry already exists, and the
> reflective value will be known, as it will be designed as one
> integrated camera.
>
> For now... use "auto".  In 98.9% of cases, it makes very little
> difference, and you needn't buy a very expensive, specialized flash.
>
> Cheers!
> ---
>
> David Young,
> Logan Lake, CANADA
>
> Personal Web-site at: http://www3.telus.net/~telyt
> Limited Edition Prints at: http://www3.telus.net/~telyt/prints.htm
> Leica Reflex Forum web-page:  http://www3.telus.net/~telyt/lrflex.htm
>
>
>
>
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