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

  • From: "mail1" <mail1@xxxxxxxxxxxxxxxxx>
  • To: <pure-silver@xxxxxxxxxxxxx>
  • Date: Sat, 7 Feb 2009 01:05:40 -0800

I retested the Zone VI type 1 VC Head with a cc40y filter, using Ilford RC
CV IV paper and as I suspected the cc40y filter attenuated the blue so that
the Hard Maximum - Soft Minimum setting yielded the maximum ES of .83 which
is about Grade 3.75  
Soft Maximum Hard Maximum setting's yield was ES1.08 effective grade 2
normal toe.
Soft Maximum - Hard Minimum setting's yield was ES 1.50 effective grade 0
short toe. The rest of the curves followed an even decline to ES .83 with
setting Soft Maximum - Hard C,D,E setting's each yielding an ES of 1.3

I might retest with a cc20y filter to see if a higher paper grade is
obtainable without sacrificing the grade 0 results.

Jonathan Ayers [mail1@xxxxxxxxxxxxxxxxx]

-----Original Message-----
From: pure-silver-bounce@xxxxxxxxxxxxx
[mailto:pure-silver-bounce@xxxxxxxxxxxxx] On Behalf Of mail1
Sent: Friday, February 06, 2009 11:14 AM
To: pure-silver@xxxxxxxxxxxxx
Subject: [pure-silver] Re: ZONE VI VC HEAD, was No More Below the Lens
Polymax Filter Kits?

I will retest with a cc40y when I get a chance. I wonder if the addition of
the cc40Y filter might attenuate the blue to the point it could cause some
problems with obtaining grade 4 or grade 5?

Jonathan Ayers  [mail1@xxxxxxxxxxxxxxxxx]

-----Original Message-----
From: pure-silver-bounce@xxxxxxxxxxxxx
[mailto:pure-silver-bounce@xxxxxxxxxxxxx] On Behalf Of Robert Krawiec
Sent: Friday, February 06, 2009 10:42 AM
To: pure-silver@xxxxxxxxxxxxx
Subject: [pure-silver] Re: ZONE VI VC HEAD, was No More Below the Lens
Polymax Filter Kits?

Yes, the 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.

Rob


--- On Fri, 2/6/09, 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: Friday, February 6, 2009, 2:01 AM
> Has your VC head always responded it this way? My ZoneVI VC
> type 1
> 5"x7"light source also requires that I adjust
> below the minimum Blue tube
> setting; in fact I have calibrated the rheostat with three
> red lines below
> the minimum setting. 
> 
> Soft Max: Hard off     distorted curve during plotting
> IDmax 1.18
> Soft Max: Hard Min-3   Grade 0 Normal toe
> Soft Max: Hard Min-2         1 Normal Toe
> Soft Max: Hard Min-1         2 Long Toe
> Soft Max: Hard Min.          2 Normal Toe
> 
> The exposure time change from Soft max: Hard Min-3 to Soft
> max: Hard Min. is
> about 1/2 stop. As the Blue light increases the exposure
> shortens, some of
> the time difference is controlled by the Metrolux Timers
> sensor, but this
> does not adjust for the speed change of the paper.
> 
> With my Aristo VCL4500 I use the green tube rheostat to
> reduce the green
> tube output to obtain Grade 4 and 5.
> The Metrolux timer sensor does a good job of adjusting for
> the light output.
> I got really lucky with my sensor placement during its
> install.
> 
> Jonathan Ayers  [mail1@xxxxxxxxxxxxxxxxx]
> 
> 
> -----Original Message-----
> From: pure-silver-bounce@xxxxxxxxxxxxx
> [mailto:pure-silver-bounce@xxxxxxxxxxxxx] On Behalf Of
> Robert Krawiec
> Sent: Thursday, February 05, 2009 1:19 PM
> To: pure-silver@xxxxxxxxxxxxx
> Subject: [pure-silver] Re: ZONE VI VC HEAD, was No More
> Below the Lens
> Polymax Filter Kits?
> 
> I've been following this thread with interest...I have
> a Zone VI type I VC
> head, and unfortunately the soft light is so weak now that
> in order to get a
> grade 2 I have to turn the hard light right down to almost
> minimum, with
> ensuing very long exposure times.
> 
> Calumet have basically ignored my requests for help.
> 
> Aristo will build a new set of tubes into the head for
> around $1,000. I'm in
> two minds whether to do this. I really like being able to
> print polaroid 55
> negs uncropped and I haven't found an alternative
> enlarger that will do this
> and fit in my basement.
> 
> Rob
> 
> 
> --- On Thu, 2/5/09, Eric Neilsen Photography
> <ej@xxxxxxxxxxxxxxxxxxxxxxxxxx>
> wrote:
> 
> > From: Eric Neilsen Photography
> <ej@xxxxxxxxxxxxxxxxxxxxxxxxxx>
> > Subject: [pure-silver] Re: ZONE VI VC HEAD, was No
> More Below the Lens
> Polymax Filter Kits?
> > To: pure-silver@xxxxxxxxxxxxx
> > Date: Thursday, February 5, 2009, 10:31 AM
> > Bob, I printed side by side with a Zone VI and an
> Aristo VC
> > head. The Artiso
> > was by far a faster, broader spectrum, more reliable
> and
> > consistent head
> > than the Zone VI which I consider a PIA to use. The
> > enlarger column itself
> > also had some adjustment issue which compared to the
> Omega
> > chassis made
> > working with it a big pain.
> > 
> > I had the Aristo hooked up with a Metrolux II timer
> which
> > was also a great
> > timer. Allows for the integration of a light source
> either
> > the enlarger
> > source or UV. 
> > 
> > Eric 
> > 
> > Eric Neilsen Photography
> > 4101 Commerce Street, Suite 9
> > Dallas, TX 75226
> > 214-827-8301
> > www.ericneilsenphotography.com
> >  
> > SKYPE   ejprinter
> > -----Original Message-----
> > From: pure-silver-bounce@xxxxxxxxxxxxx
> > [mailto:pure-silver-bounce@xxxxxxxxxxxxx] On Behalf Of
> BOB
> > KISS
> > Sent: Wednesday, February 04, 2009 5:48 AM
> > To: pure-silver@xxxxxxxxxxxxx
> > Subject: [pure-silver] ZONE VI VC HEAD, was No More
> Below
> > the Lens Polymax
> > Filter Kits?
> > 
> > DEAR JOHN,
> >     I would be very interested in the reasons you
> don't
> > like the Zone VI
> > VC head.  I have been considering buying a cold light
> VC
> > head (no rush) and
> > I was trying to decide which one to get.
> >             CHEERS!
> >                     BOB
> > 
> > -----Original Message-----
> > From: pure-silver-bounce@xxxxxxxxxxxxx
> > [mailto:pure-silver-bounce@xxxxxxxxxxxxx] On Behalf Of
> john
> > stockdale
> > Sent: Wednesday, February 04, 2009 7:42 AM
> > To: pure-silver@xxxxxxxxxxxxx
> > Subject: [pure-silver] Re: No More Below the Lens
> Polymax
> > Filter Kits?
> > 
> > Eric, I have a Zone VI VC head that I don't want,
> but I
> > wouldn't 
> > recommend it for various reasons. I can give you
> details if
> > you're 
> > interested.
> > Regards, John
> > 
> > =====================
> > Eric Nelson wrote:
> > > Thanks John I'm already on the lookout and
> have
> > added aristo and zone 
> > > vi to my saved searches on ebay.  I'll have a
> chat
> > w/Kodak tomorrow 
> > > and see what the story is on the filters.
> > > Eric
> > >
> > >
> > >
> >
> ------------------------------------------------------------------------
> > > *From:* john stockdale <j.sto@xxxxxxxxxxx>
> > > *To:* pure-silver@xxxxxxxxxxxxx
> > > *Sent:* Tuesday, February 3, 2009 11:59:18 PM
> > > *Subject:* [pure-silver] Re: No More Below the
> Lens
> > Polymax Filter Kits?
> > >
> > > The Aristo VCL4500 with an RH Designs Stop Clock
> Vario
> > is a sweet, if 
> > > expensive, solution.
> > >
> > > John
> > >
> > > Eric Nelson wrote:
> > > > Man, and the list here was just touching on
> this
> > subject recently 
> > > too.  So I did my online searches and have come
> up
> > empty handed from 
> > > Freestyle to Adorama to B&H to ebay.
> > > > Now /that's/ sad.  At least the filters
> are
> > still available and I 
> > > can cut them down for the holders which I still
> have. 
> > Ilford's 
> > > filters stink as I've been using them a month
> or
> > so.  The contrast 
> > > jumps dramatically between 1/2 grades and
> exposure is
> > nowhere near 
> > > similar from one filter to the next using
> /*their*/
> > frakkin' paper.  
> > > Maybe I just "owe myself" a VC head and
> be
> > done with it.
> > > >
> > > > Sigh.
> > > >
> > >
> > >
> >
>
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