[rollei_list] Re: RPA, Efke 25, fixer with hardener?

From: Mark Rabiner <mark@xxxxxxxxxxxxxxxx>
To: <rollei_list@xxxxxxxxxxxxx>
Date: Fri, 03 Apr 2009 00:43:31 -0400
It's my intuitive opinion that Pan F is just a tad sharper than the tab
grain 100 films.
Its a one stop difference; Between 50 and 100
- the tab grain is a real advance;
Just not in my opinion a full stop advance;
Maybe a 4/5ths of a stop advance. Sharpness wise.
But an ISO 25 film is really thin film a two stop difference.
And I've used a bunch of it as well in a variety of developers and
dilutions.
Its for sure better than the  100 speed tab grain films;
Which is the slowest speed tab grain films comes in unfortunately.

The first tab grain film to come out was the Kodak Tmax 100 and was said to
replace my then signature film Panatomic X which I felt was mainly a 50 ISO
film even though it said ISO 32 on the box.
It wasn't a replacement for my favorite film.
And didn't even come close in my view. My results being 8x10 and 11x14
darkroom prints.
When they discounted Panatomic I was scrambling as Pan F in my view did not
come close. 35mm Panatomic was silky; even in Rodinal 1:100. Pan F was a
hard film. Skin tones nothing to bring home to meet mom.

I have to say though in 120 Pan F in my view was not that much worse than
Panatomic.
Trouble was those days I shot ten rolls of 35 for every roll of Brownie
film.


Mark William Rabiner

Though tab grain films sharpness wise is maybe not quite a stop better most
people think of a combination in terms of results of sharpness and grain.
And when you combine those two Its my view in some cases like a unusual
developer like Xtol 1:3 you move up a stop with your results from films.
I've said this on the lists countless times. But with at least that
developer and I'm sure others some pyro formulas your 400 speed films look
like 100 speed films. And that's two stops isn't it.
I shot a lot of Neopan 1600  Xtol 1:3 and it looked like tri x in D 76 1:1
only better. And that's two stop.
Finer grain and it looks at least as sharp maybe sharper.
You normally don't get both;
Both finer grain and great sharpness you normally sacrifice one for the
other.
In this case you get both.



> From: J Patric Dahlén <jenspatricdahlen@xxxxxxxxxxx>
> Reply-To: <rollei_list@xxxxxxxxxxxxx>
> Date: Fri, 3 Apr 2009 01:10:57 +0000
> To: <rollei_list@xxxxxxxxxxxxx>
> Subject: [rollei_list] Re: RPA, Efke 25, fixer with hardener?
> 
> 
> I have a plate adapter from the early 30's, and I have used it on my 3,5F once
> when I made reproductions of an large old photo. The ground glass cassette was
> a big help to get the lines straight. I have thought about buying a later
> plate back, with the grooves for Rolleifix, but I don't really NEED it.
> 
> I don't know if Efke 25 is "sharper" than a modern 100 film like Tmax and
> Delta, but it is as fine grained as Pan F+, at least in D-76 and similar
> developers (I use Agfa 17).
> 
> /Patric
> 
>> Date: Thu, 2 Apr 2009 04:29:52 -0700
>> 
>> The Rollei plates adapter use is something I have pending from some time ago
>> Elias, BTW you and others were inspiring to keep my interest about this
>> accesory, one of the oldest and most traditional for Rollei TLR cameras, they
>> were manufactured from 1932 to 1981, different versions of course, one of
>> them was manufactured from 1947 to 1981.
>> The fact you can develop each sheet separately is a real advantage regarding
>> a roll film if you have a reason to do it and the ground glass insert is
>> useful for some compositions.
>> 
>> I have already received the little Efke box with 25 film sheets 6.5x9cm
>> format, it is labeled "Tropical", I guess they are talking about a tropical
>> type developing  process, that one requiring hardener as Richard K explained,
>> but I could avoid the hardener adjusting my developing process for certain
>> hours early in the morning.
>> Actually I don't expect the Efke 25 could be sharper than modern ISO 100
>> emulsions, but it could offer interesting contrast as you can see in one of
>> your samples. Thank you Elias.
>> 
>> Carlos   
>> 
>> 
>> --- El mié 1-abr-09, Elias Roustom <eroustom@xxxxxxxxxxx> escribió:
>> 
>> 
>>> 
>>> You will have a very good time with the plate adapter
>>> Carlos - I can almost guarantee it. I like using it for
>>> landscape, still life, and portraits.
>>> With portraits, it is part of the act that captures the
>>> subject's attention. What I like most about it is that I
>>> don't always have the need to shoot all twelve frames
>>> from a given film. Having the plate adapter allows me to
>>> experiment with a subject, use different films for the same
>>> subject, or develop duplicate exposures differently, and
>>> have a print or scan within two or three hours. I'm
>>> actually proud of how slow that sounds these days.
>>> 
>>> If you're missing any of the plate inserts you can use
>>> a stiff cardboard, or have some aluminum sheets cut down for
>>> you somewhere. I remember finding some anodized black
>>> aluminum sheets that were just about the right thickness at
>>> a hardware store once. I use a double thick black cardboard
>>> I had scraps of at work - they work very well.
>>> 
>>> I bought a box of 4x5 ilford film that I cut to size.
>>> Scratched some of it up in the cutting process, but I know
>>> what I'll do next time. Bought the Efke for convenience,
>>> and I can't say the Efke 25 is any sharper the Delta Pro
>>> 100. Maybe it's in the way I've been developing.
>>> 
>>> My only problem with the plate adapter is keeping dust and
>>> other particles off the neg. Gets me every time. I've
>>> got to find a better routine, and buy a better dust brush.
>>> 
>>> Here's a couple of shots of the Efke 25 sheet film in
>>> Rodinal 1+50 (one of your favorites):
>>> http://www.flickr.com/photos/elroustom/2444628920/in/photostream/
>>> http://www.flickr.com/photos/elroustom/2444878043/in/photostream/
>>> 
>>> I have some new shots with Efke 100 that I processed in
>>> DD-X that I took a couple weekends ago with Petr Dvorak
>>> (from this list) that I have yet to scan. I'm without a
>>> scanner for the time being...
>>> 
>>> Elias
>>> 
>>> ---
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>> 
>> 
>>       Yahoo! Cocina
>> Recetas prácticas y comida saludable
>> http://ar.mujer.yahoo.com/cocina/
>> ---
>> Rollei List
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> 
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References:
- [rollei_list] Re: RPA, Efke 25, fixer with hardener?
  - From: J Patric Dahlén
[rollei_list] Re: RPA, Efke 25, fixer with hardener?

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