Archived posting to the Leica Users Group, 2011/04/28

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Subject: [Leica] OT - Wet Darkroom Wizards
From: mark at rabinergroup.com (Mark Rabiner)
Date: Thu, 28 Apr 2011 22:34:02 -0400

Roughly speaking slow films get 10%, medium 20 and fast 400 speed films 30%
for a stop pull or push. So I'd take off 30 % off twice and use the most
dilute developer you are comfortable with. One with a very long time to
begin with.


--------------------
Mark William Rabiner




> From: Marty Deveney <benedenia at gmail.com>
> Reply-To: Leica Users Group <lug at leica-users.org>
> Date: Fri, 29 Apr 2011 11:38:45 +0930
> To: Leica Users Group <lug at leica-users.org>
> Subject: Re: [Leica] OT - Wet Darkroom Wizards
> 
> Ernie, Ken's advice is solid.  Your alternative is a clip test (cut
> 3-6 frames off the start of the roll and develop them first, to tune
> the time) but that way you lose some frames.  The 400 speed
> traditional grain films like HP5+ and Tri-X are sufficiently flexible
> that this won't be a huge problem.
> 
> Marty
> 
> 
> On Fri, Apr 29, 2011 at 10:04 AM, Ken Carney <kcarney1 at cox.net> wrote:
>> On 4/28/2011 6:47 PM, Photo wrote:
>>> 
>>> I bought a new used camera and I shot HP5+. ?I failed to notice that the
>>> ISO was NOT set to 400 but instead to 100. ?Now for the interesting part 
>>> - I
>>> only have Kodak HC110 to use ( no I am not stranded on Kodiak Island) but
>>> this is what I have. ?What dilution, temp and/or time do I use to "pull"
>>> process this film. ?There is no prize to the wizard that helps me out 
>>> but I
>>> will post pictures.
>>> 
>>> 
>>> ernie
>>> 
>>> _______________________________________________
>>> Leica Users Group.
>>> See http://leica-users.org/mailman/listinfo/lug for more information
>>> 
>> Here is my guess: Shoot another roll of HP5+ at 100 in similar light
>> conditions compared to the first roll. ?Develop for 10 minutes at 68F with
>> HC110 1:60 from concentrate. ?That should give you an approach to zero in 
>> on
>> your keeper roll. ?May the schwartz be with you.
>> 
>> Ken
>> 
>> _______________________________________________
>> Leica Users Group.
>> See http://leica-users.org/mailman/listinfo/lug for more information
>> 
> 
> _______________________________________________
> Leica Users Group.
> See http://leica-users.org/mailman/listinfo/lug for more information




In reply to: Message from benedenia at gmail.com (Marty Deveney) ([Leica] OT - Wet Darkroom Wizards)