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Thank a lot for all your input !

Hello Durst adepts,

I own Durst 138s with BW head. When I tried to turn the enlarger head to make mural projections, appears it is dead stuck. Of course, before trying to pivot the head, I had...

Hi Bob,

I'd appreciate your info on Linhof 5x7 Super Technika, serial 2491058...

Could you please also suggest me, if right angle mirror viewfinders from non-Linhof manufacturer exist and are...

Manual for Tetenal Colortec C-41 says, in General instructions" section, p.7:

If development is uneven (sheet films), it is recommended that the rotation speed be
increased and/or the film be...

:)

Ok, thanks for your opinions.
Dim.

OK. Though, I thought to inject some silicon paste into it. I am not going to use my lift with anything other than expert drum.

Hi, I certainly will contact Jobo, though I do not think new lifts are better in this. With two outlets, the lift should have an internal "switch" directing flux into one or another, not just a cap...

Hello,

After years of happy operations on CPP-2 I realized that use of an Expert drum e.g. 3010 with Jobo lift - obviously snapping it onto the upper outlet - does not pass the entire amount of...

Sorry bothering, but how comes the one [you commented another day] with smaller serial (2421235) is more recent (1968) than the one in question?
Or numbering is not straight?

I tried read the...

Hello Bob,

I am thinking to buy Technika V 5x7 numbered as 2541xxx. Could you, please comment its age?
Also, the seller claims it features a "sought movable inner slide" -- what is this? is it...

Looking other threads and forums, I noticed people recommend Edwal NFL as a good anti-foaming agent. I cannot find it in Europe. Could someone point out an equivalent out of e.g. these:
...

yes, I have four of them - different density in 77 and 95 mm, so I use one or another, depending on the lens - the pattern show up with all filters. Needless to say, any screw-in filter ends up at a...

@IanG & Leigh: Yes, thanks, I will clean my drum thoroughly.

I googled a bit for "foam 3010 drum" and apparently people were in same problem:
http://www.largeformatphotography.info/forum/archive/index.php/t-116560.html

the one before the last reply just...

I don't


well, i keep film in food fridge before and after exposing, not sure if this cause severe condensation. I guess not as ambient temperature and humidity in Switzerland is not high.

...

Hi all,

i have a problem developing 4x5 Ilford FP4+ or Delta 100. I developed using Jobo CPP2 in 3010 drum with developers like Pyrocat HD or Adolux. While at ordinary exposures like 1 sec my...

Thanks, Gary. I assume "N" at the end does mean something... Well, at least now I know which one to buy.

Any other suggestions for a 4x5 glassless negative insert that works with TRINEG?

Thanks. Is LAPFE 450 mask made to be used with TRINEG?

Renato, the 9x12 mask from this series is called "DURST TRINOMASK 92N"

Core,
the negative holder that I use is Trineg, it is part of Durst 138 SP. There are quite a number of different glassless masks for TRINEG exist (I have 4), from 135 to 13x18cm format. They all...

Of course, not. The short side of the negative fits perfectly, even with a little clearance. The problem is the LONG side.

Hello,

When I try to accommodate a 4x5 negative (Ilford Delta 100, or any other) into my Durst Trinomask 450, it does not fit on the longer side. The length of negative is about 125mm, but...

Hello,
if you have circuit schematics for DURST EST 1000, could you please send me a copy?
Thanks a lot already!

Charley, bobwysiwyg, Rick and all in this thread - thanks again! I am really touched by your participation and attention to my problem.

-- Dimitri.

Yupee, VICTORY!

How it was done:
0. Removed both front and back lens halves
1. The lensboard+shutter kept in cold (about -1 Celsius) for about 1 day
2. The retaining ring was heated up by...

I really hope all these might be useful not only for myself... kind of common problem..

Yes, I see what you mean... but I am still hoping to accomplish without drastic exercises :)

Metal, a kind of aluminium alloy

I poked Dremel website, there are at least 4 tools - Rotary, Multi-Max, Trio, Saw-Max. Which one of Dremel tools did you mean?

As the last mean, yes. But rather break the retaining ring. How one can cut away lensboard?

Well, it is not an easy exercise to put a lot of force while keeping a wrench tool exactly at the right position.... I think I already did my best using brute force only. The German-made tool did...

Thanks, I shall try pure acetone, perhaps glue (if it is there) will at least thicken and lose its strength. What about tetrahydrofuran (THF)? It is a popular solvent in chemical labs for polymerized...

Is that large hose clamp described in

http://www.largeformatphotography.info/forum/showthread.php?t=79786

what you mean as "strap wrench"?

Yes, counter-clock-wise looking from the ring's side.. thanks.

Actually, not a bad idea... stones get cracked because of temperature cycles... thanks.

Surely yes, just will unscrew the remaining half of the lens beforehand :)

Great, it must be reading of thoughts... just wrote that myself :)

Yes, I have tried to turn the shutter (with all my force reasonable to apply onto such a weak construction) -- no visible rotation. I also afraid it is glued.

Should I try heat the ring with a...

Hi,

I purchased a used 210mm Symmar S in Prontor#1 mounted on a Horseman lensboard, hence I need change it to my Toyo 45AX board. The retaining ring appears dead stuck.

I have tried to soak...

You convinced me stop worrying and start taking pictures :)

Thanks again for your answers!
Dmitri.