When using trial and error it should work out. If you connect the camera to
the computer you can check focus imediately. I think the 50mm will be
sufficient. There is not that much light needed. If I turn the slide copier
towards a window on a cloudy day it is ok already.
Iwert
Op zaterdag 5 januari 2013 schreef Chuck Norcutt (
chucknorcutt@xxxxxxxxxxxxxxxx) het volgende:
> I suggested in my reply to Iwert that perhaps my studio flash unit with
> 150 watt halogen modeling light will allow focus with the modeling light
> and exposure with the flash. The flash has a 6 stop power range but I
> can't recall the relative brightness of the modeling light to the lowest
> power from the flash. The modeling light is relatively puny in
> comparison to the flash. It could be that good brightness for focusing
> via the modeling light brings the flash too close to avoid overexposure.
> I'll have to check when I get back home.
>
> Chuck Norcutt
>
>
> On 1/5/2013 7:11 AM, C.H.Ling wrote:
> > It would be even easier if you connect the camera to a computer for
> remote
> > shooting. For light source, I prefer flash as it has known good CRI.
> >
> > http://www.accura.com.hk/temp/P6226848.jpg
> >
> > C.H.Ling
> >
> > ----- Original Message -----
> > From: "iwert bernakiewicz" <iwert.bcz@xxxxxxxxx <javascript:;>>
> >
> >
> >> Hello Chuck:
> >>
> >> I use a 7mm extension tube to mount the 5D on the bellows. The 80mm
> >> macro as lens.
> >> The whole unit is mounted on a solid block of steel for stability.
> >> For light I use a cold light slide viewing tablet mounted to the other
> >> end. (a flash would do just as good I suppose, but I don't have any:).
> >> The convenience with the 5DII is that with the cold light and enlarged
> >> live view focussing is very easy.
> >> I put the aperture at f8-11 and use the cable release and silent shutter
> >> mode 1.
> >>
> >> All the best,
> >>
> >
> --
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