Re: Infrared and studio flash

[Goff Photography <jdgoff@xxxxxxxx>]

At 09:55 PM 9/16/97 -0700, you wrote:
I've used studio strobes with models on for many exposures without
problem--strobes I use are the White Lightning Ultra 1200 with #2 photoflood
model. I think the strobes overwhelm the models. I agree with those who
think you may have heat fogged film caused by poor storage. Hope this helps.
James Goff, CCP

>Des
>>Thanks for the suggestion re handling. I have had this problem with fresh
>>film stock taken from cool store. It is possible, of course, that the film
>>was badly handled in shipment from Kodak (Coburg) Victoria to my supplier
>>here in Sydney, NSW.
>
>It's happened to me a couple of times, andf now INSIST that the incoming
>film is sent to the freezer immediately. I will sacrifice a "test roll"
>from the brick of 20 rolls as a means of checking. If there is any base fog
>it is returned for replacement along with half the sacrificed roll as
>"evidence" It is then up to the dealer to argue with Kodak re the
>replacement of the film... I do not particularly care who is the loser.. I
>just know that it will not be me.
>
>BTW try reversal processing to slides with the Tmax reversal kit. Puts your
>EI up around 1200 and the grain is superfine. It is a bit expensive for my
>pocket, but I am now in the process of finding my recipe for reversal from
>"scratch chemicals". I had to make some E-6 slides of the methodology to
>present to the local camera club (of which I am not a member) and afterthat
>I misplaced the recipe.. but I have it all on slides.
>Have you any idea as to where I put them for safekeeping?... I'l bet I find
>them in the very last place I look!
>
>Have fun
>Ken
>
>
> I can confirm modelling lights would have been on for
>>all the test work that I have done. I shall try a shoot this weekend
>>without the modelling lights and see what happens.  I was aware they  would
>>have some infra red properties but "thought" the flash would over ride  or
>>"swamp" that element.
>
>If you use the modelling lights of "full" power you'll find that you may
>not need the red filter either and basically "increase" the exposure  for
>the film due to the Higher IR output of the modelling lamps.
>
>Was there a great deal of "base fog"? or was it only within the "frame". If
>it was a general "all-over fogging", I would strongly suspect that it was
>'heat' fog due to improper storage. I have had film in an iced cooler "die"
>when the ice was gone and the temperature inside rose close to ambient. It
>does not take too much to "kill" it by overlong storage at temperatures
>above 70 deg F
>
>
>
>
>
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