[pure-silver] Re: ZONE VI VC HEAD, was No More Below the Lens Polymax Filter Kits?

  • From: Robert Krawiec <robk64@xxxxxxxxx>
  • To: pure-silver@xxxxxxxxxxxxx
  • Date: Sat, 7 Feb 2009 12:31:23 -0800 (PST)

So it is usable with the filter? Does the abrupt hump you describe cause a lot 
of issues?

Rob


--- On Sat, 2/7/09, mail1 <mail1@xxxxxxxxxxxxxxxxx> wrote:

> From: mail1 <mail1@xxxxxxxxxxxxxxxxx>
> Subject: [pure-silver] Re: ZONE VI VC HEAD, was No More Below the Lens 
> Polymax Filter Kits?
> To: pure-silver@xxxxxxxxxxxxx
> Date: Saturday, February 7, 2009, 1:03 PM
> Bob, greetings,
>  
> Rob had mentioned “Yes, this is more or less what I am
> seeing. It isn't the
> way the head is supposed to work though! I was told that
> placing a yellow
> filter (cc40y?) between the head and the neg stage will
> give you performance
> as expected, i.e. soft and hard at max should be close to
> grade 2, but I
> haven't tried it yet.”
>  
> I ran the test to verify what he was told, and yes the
> maximum soft and hard
> setting did in fact produce a grade 2. With out the filter
> addition these
> settings produced ES.78 effective grade 4 shot toe.
>  
>  Coincidently when looking for a cc40y filter I found a
> cc30y filter I had
> removed in the Zone VI Non VC cold light head.
>  
> The plotted curves from this test were distorted in the toe
> with quite an
> abrupt hump. The results without the filter were much
> smoother. I would
> normally rerun this test changing the exposure time for the
> added filter. I
> did not do this because I was studying the differences
> between having a
> filter and not.
>  
> Jonathan Ayers  [mail1@xxxxxxxxxxxxxxxxx]
>  
>  
>    _____  



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