[Leica] Flashbulbs + M8

[henningw at archiphoto.com (Henning Wulff)]

How are you going to sync the bulbs? The built in sync will fire the 
bulbs too late.

The sync current for most bulb flash guns is tiny; but the timing won't work.


At 6:24 PM -0400 7/23/10, Philip Forrest wrote:
>I already own the M8, so most of the expense is right there. Flashbulbs
>can be had cheaply around here at yardsales, thriftstores and sometimes
>online.
>I don't want full visible spectrum + IR. I just want above 700nm which,
>with ISO 160 would force me to use a tripod and expose for several
>seconds unless I blast it with a powerful flash.
>
>The flashbulbs emit a LOT of IR and with the 720nm filter, the
>attenuation of that end of the spectrum is great so it brings out the
>foreground a lot and can effectively black out the background, even
>during the daytime. This way, I shoot at 1/30 sec and use GN for my
>apertures.
>
>Buying another camera and having it modified is not really the solution
>I'm looking for, nor can afford.
>
>Phil Forrest
>
>
>On Fri, 23 Jul 2010 15:07:32 -0700
>Richard Man <richard at imagecraft.com> wrote:
>
>>  Hmm... may be cheaper and easier to convert a u4/3 camera to full
>>  time IR and then use a Leica->u4/3 adapter? You get full exposure
>>  without the filter in the front and with the EVF, you get dead on
>>  focusing without errors.
>>
>>
>>  On Fri, Jul 23, 2010 at 1:41 PM, Philip Forrest
>>  <photo.forrest at earthlink.net
>>  > wrote:
>>
>>  > I'm wanting to use flashbulbs with the M8 to shoot IR photos using
>>  > my 720nm opaque filter. The flashbulbs put out much more light and
>>  > further, much more IR than my strobes. This will allow me to shoot
>>  > IR handheld at 160 ISO, illuminating the subject and depending
>>  > upon background distance, leaving the background completely dark.
>>  > Effectively, turning day into night.
>>  >
>>  > The question I have is if the current of the flashbulb unit could
>>  > harm the M8. I called Leica NJ and they said they had no idea (after
>>  > researching the question for 3 days) how the current from the CEYOO
>>  > would affect the M8 since they do not have any data regarding
>>  > current in that flashbulb unit.
>>  >
>>  > Optimally, I'd like to use a CEYOO but for now and for scenes
>>  > needing a bit more light, I'm using a Graflex Graflite with #5 &
>>  > #25 bulbs synched with a pocket wizard. This is a clumsy and very
>>  > large setup though.
>>  >
>>  > My question is: can anyone out there measure the current from a
>>  > CEYOO when a flashbulb is triggered?
>>  >
>>  > Thanks all!
>>  > Phil Forrest
>>  >
>>  > _______________________________________________
>>  > Leica Users Group.
>>  > See http://leica-users.org/mailman/listinfo/lug for more information
>>  >
>>
>>
>>
>
>
>_______________________________________________
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>See http://leica-users.org/mailman/listinfo/lug for more information

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    *            Henning J. Wulff
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