Archived posting to the Leica Users Group, 2011/04/29

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Subject: [Leica] OT - Wet Darkroom Wizards
From: csaganich at (Chris Saganich)
Date: Fri, 29 Apr 2011 16:40:42 -0400
References: <> <>

The point was that HC110 was to be used and "what time temp dilution would
be best"  The mispreception was in reading the original post.

On Fri, Apr 29, 2011 at 1:29 PM, Larry Bullis <kingfisher at>wrote:

> If the roll has any importance, I'd sure shoot and process a test roll
> first if you are going to alter your time a lot.
> No amount of "pull" is going to compensate for the fact that your roll is
> overexposed. For some strange reason, there seems to be a misperception out
> there that exposure and development are somehow interchangeable. They're
> not. Your shadows will be firmly placed in the region on the curve that is
> appropriate for middle tones and the middle tones will be moved into the
> highlight region. Maybe you can pull the highlights down, but it doing so,
> you probably won't save the print from looking odd.
> I suppose one might experiment (word chosen deliberately) with adding
> bromide, or even better, some benzotriazole to inhibit development in the
> areas of least exposure. What's working for you is that box iso is usually 
> a
> bit overstated anyway, so your overexposure may not be all that serious.
> That happened to me once; I shot a roll of tri-x on a job and noticed that
> I hadn't changed my iso setting from Kodachrome 64. I used an old developer
> that I knew cost about that much in speed, pyro acetone. It is an ancient
> glass lantern slide developer. The acetone doesn't harm the current film
> bases, but in old books it was not recommended for films since acetone
> dissolves some plastics. The results were absolutely amazing. Most 
> beautiful
> ordinary pictures I can imagine of a guy digging a hole in the ground! Come
> to think of it, I wonder why I'm not using that now.
> Unless you like the darkroom a lot, I don't think this sort of stuff is
> likely to happen for your one roll.
> On 4/29/11 9:46 AM, lug-request at wrote:
>> Message: 33
>> Date: Fri, 29 Apr 2011 11:00:03 -0400
>> From: Chris Saganich<csaganich at>
>> Subject: Re: [Leica] OT - Wet Darkroom Wizards
>> To: Leica Users Group<lug at>
>> Message-ID:<BANLkTik-rSABvkSU-v0Q7fZ77UzkeE2Y7Q at>
>> Content-Type: text/plain; charset=ISO-8859-1
>> My experience with HC110 was very very light agitation with no twisting.
>> The twisting part can cause uneven development with dilution.  I would
>> dilute 1:42 4 minutes at 20C with 1 min continuous agitation and then 2
>> inversions in 5 seconds every minute.  You will have nice shadows and
>> compensation in the highlights.
>> Pretend something inside is fragile.
>> On Thu, Apr 28, 2011 at 7:47 PM, Photo<charcot at>  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  for more information
>>> >
> _______________________________________________
> Leica Users Group.
> See for more information

In reply to: Message from kingfisher at (Larry Bullis) ([Leica] OT - Wet Darkroom Wizards)