P3D Re: duplicate slides

[frogman <richjanf@xxxxxxxxxxx>]

> 
> does any one here have any idea where to start?using a electronic flash
> when duplicating i am using a thyristetor strobe because its the only
> way i know how to fire it  using  a flash cord. the instructs i have say
> when using a 40 watt second electronic flash unit, and a 125 asa try a
> light distance to duplicator of 12". iam using 200 asa print film. i
> dont know what the watt second is on the flash so i started at a
> distance of 25" because of the faster film speed and the thyrister
> strobe should  have more power,and when do you use the attached
> diffuser? there must be abetter way then just guessing RICH


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