Archived posting to the Leica Users Group, 2002/01/06

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Subject: Re: [Leica] More Efke KB 25 in D23
From: DJR <don.ro@verizon.net>
Date: Sun, 06 Jan 2002 23:03:34 -0600
References: <200201061457.GAA20678@mejac.palo-alto.ca.us> <a05100301b85e7704fece@[165.247.58.125]> <007201c1972f$a60b4ca0$5db360d1@alice>

Why not try T.E.C. and use distilled water at least for the developer?
On Sun, 6 Jan 2002 22:59:02 -0500, you wrote:

>Bob,
>
>I am at a bit of a loss too.  Water is one possible explanation since ours
>is pretty hard.  We are on a private well so its straight out of the ground.
>For most films the development times work out to be about 10% less than
>recommended.  The Efke for some reason gets very contrasty and needs 30-50%
>less with a couple of developers.  I just tried some Beutler 105 and used
>the time for Neofin Blue.  Same result, unprintable on #1.  Fortunately
>those were just tests. That developer should work with shorter times.
>
>With the D-23 1:1 for 4 min with a 3 min. borax post-bath I'm getting about
>an EI of 16.  The tones are very nice.  Sharpness may be suffering as Mark
>said but its hard to tell with a Summitar hand-held.  Perversely I use my
>better glass for high-speed film.
>
>Shorter exposures are an option but I hate to lose the shadow detail or have
>the highlights block up if I overexpose.
>
>I'm wondering if there is some difference between the old and new batches.
>
>Mike D
>
>----- Original Message -----
>From: "Robert Marvin" <marvbej@earthlink.net>
>To: <leica-users@mejac.palo-alto.ca.us>
>Sent: Sunday, January 06, 2002 4:58 PM
>Subject: [Leica] More Efke KB 25 in D23
>
>
>
>--
>Mike--
>
>Odd that your results were so different from mine--what e.i. were you
>using? I'm sure you're right that it could be some difference in
>technique--perhaps we meter very differently. OTOH, could it be the
>water? I live in Brooklyn--N.Y.C. water is very soft--low mineral
>content. I know I SHOULD use distilled water, but I'm lazy and AFAIK
>have managed to avoid major problems with tap water. Hard tap water
>may give very different results.
>
>Bob Marvin
>____________________________________________________________________
>From: "Mike Durling" <durling@widomaker.com>
>Subject: Re: [Leica] Re: Efke KB 25 in D23
>Message-ID: <015201c1965d$cf327540$a8f9f6ce@alice>
>References: <200201050623.WAA16833@mejac.palo-alto.ca.us>
><a05100301b85ceee21b56@[165.247.58.125]>
>
>I got too much contrast with D23 at 1:1 for 7 minutes.  I was printing on a
>1 1/2 filter.  9 minutes was off the chart.  I'm currently using the 1:1 for
>4 minutes followed by a 3 min borax bath.  The tones are very nice but I'm
>running at EI 16.  Other films in this same soup seem to need a lot more
>time.
>
>I suspect our differences could be due to technique.  Some like Tri-X at
>800.  That works but you have to be careful not to overexpose!
>
>Mike D
>
>- ----- Original Message -----
>From: "Robert Marvin" <marvbej@earthlink.net>
>To: <leica-users@mejac.palo-alto.ca.us>
>Sent: Saturday, January 05, 2002 1:17 PM
>Subject: [Leica] Re: Efke KB 25 in D23
>
>
>
>- --
>I develop KB 25 for 7 1/4 min. in straight D23 (@ 68?F,agitating for
>10 sec./min.in a ss tank). This is aprox. 20% more than the time
>recommended in the Massive Dev Chart for D76 and the Efke data sheet
>(packed with 100' bulk rolls) for ID11. Both sources recommend e.i.
>50--1/3rd stop faster works better for me. I don't find it contrasty
>at all. FWIW, I usually use anywhere from a 2 1/2 to a 3 1/2  Ilford
>filter with Arista Premium RC/VC (aka Ilford Multigrade IV)
>in a Valloy II .
>
>As to sources, I have a few 100' rolls in my freezer, purchased from
>Freestyle
>right after I learned they had dropped it from their catalogue ( It's
>worth phoning--they might still have some left). When my stash runs
>out, I guess I'll try Photoimpex.
>
>Bob Marvin
>
>From: "Mike Durling" <durling@widomaker.com>
>Subject: Re: [Leica] If you had only one B&W film/developer combo,
>which would it be?
>Message-ID: <007301c19597$07d849a0$69f9f6ce@alice>
>References: <200201041526.HAA27179@mejac.palo-alto.ca.us>
><a05100300b85bd0818307@[165.247.38.122]>
>
>I agree with the film/developer combo but I find it way too contrasty when
>pushed that fast.  How long do you develop in D-23 and do you use it
>undiluted?
>--
>To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html


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Replies: Reply from "Mike Durling" <durling@widomaker.com> (Re: [Leica] More Efke KB 25 in D23)
In reply to: Message from Robert Marvin <marvbej@earthlink.net> ([Leica] More Efke KB 25 in D23)
Message from "Mike Durling" <durling@widomaker.com> (Re: [Leica] More Efke KB 25 in D23)