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Andreas,
could you please post a photo to the forum. Thanks.
Possibly with a ruler included for scale.

I would be interested to know what plastic is used.

I remember the originals ere made of...

Having been working twenty years on gas turbines, i want to apply
this methodology to durst enlargers.

Gas turbines have yearly preventive maintenance, after 7 years, there
will be a major...

I plan to do a write up on durst 8x10 enlargers, there fore i
need your input.
I will feed back all information to this forum.


First i made an educated guess, on how many durst 8x10 ...

Hello,
i am located in luxembourg europe. Among other materials, i
have two durst enlargers, an l184 and an l1840.

My background is electromechanical engineering and hamradio
operator.

The...

Bonsoir, la réponse est simple, mais trop compliquée pour poster sur ce forum…. :-) :-) :-)


JUST CALL ME ON 00352-621-554.253 OR EMAIL AT GWAGENER AT PT.LU


"George W."
Dipl.Ing. EPFZ,...

WANTED---ASSISTANT FOR ULF PROJECT 20X24*!

All the details will be presented at the Congress GP saturday/sunday 25,26-jun-2016 at Douchy (France).
Large Format Gathering organized by...

hello,
does anyone have a pricelist in EUR/USD?
the pdf document just shows order numbers :-(
thanks

thanks for emergency backup idea :-) :-)

for the cabinet I will have to open, and retrieve the different circuit boards for pictures

I guess that they are all the same, perhaps also similar to...

Re: Durst L1840 Enlarger 8x10 10x10--Rebuild of Electronics


I wonder if somebody ever tried to rebuild the electronics?

I have an L1840 with color head, motorised for lens holder and...

that makes sense!
did not think of that :-)

thanks for the feedback, here some more comments:
-the spectrum graphics in the product descriptions do not open dependant on browser
-I could not find a postal address nor phone or fax numbers of...

@all

thank you very much for feedback!

besides mostly Ilford and Bergger I still have a third brand, I must check

I have no X-ray film until now, and I am wondering whether X-ray film of any...

As far as I know 20x24" film is not marked by "code notches"
showing also which side emulsion side is?

looking at Ilford, Bergger, Agfa and others…

well there is the "lick test", but every...

hello,
could you please publish the spectral sensitivity of your detector. thank you.

can your sensor display intensity versus wavelength?

the language used in your publi-reportage is quite...

Ari,


the images look nice!


if I remember correctly, in the 645mm configuration the bellows extension
will be *much* longer than normally expected for a single lens with that focal
length…

ATTENTION: CORRECTION SERIAL NUMBER 2/35 ASPH




M6 chrome ……………….……… N° 1773871

M7 black ………….……….….… N°2778258

Elmarit 2,8/28 mm………………. N° 3190262

FOLLOWING LEICA MATERIAL HAS BEEN STOLEN ON 07mar2011
at Brussels:

M6 chromé N° 1773871
M7 noir N°2778258
Elmanit 2,8/28 mm N° 3190262
Summicron-M f 2/35 mm ASPH. N° 90021100

PLEASE...

reference:
"Way Beyond Monochrome"
Ralph W. Lambrecht
second edition

pages 428...432
Chapter: "How Safe is Your Safelight?"

happy reading!

Many thanks for all the feedback from the real world.

If I remember correctly, safelight testing is sometimes difficult,
as you are in the curve toe, just below the threshold when something ...

That is a good idea to get more information!

Another possibility might be to contact one of the remaining E6/C41 labs,
they have used for years IR goggles to handle colour film in the dark.
...

Thank you for all your comments.

I *think* that the 2 kinds that I sent together to the lab had the same age,
the only difference being the good negatives were those left in the unopened
box,...

I most surely can eliminate the lab as the cause.

I had both fresh film as well as film having stayed for 12 months in the holder,
that was sent to the lab at the same time and date.
The lab...

I am wondering whether the plastic materials in fidelity holders
will interact longterm with the film emulsion, and damage this.

I had Kodak Portra400NC 8x10" inserted in Fidelity Holders.
I had...

I have the 810M version (viewcamera), not the monorail version 810G.

Regarding bellows they should fit both BUT:
-there is a real messup with internal ordering numbers from TOYO
-they normally...

-is this a closed loop system, using air intake within the darkroom?
-how is fresh air handled?
-is there a link available to the datasheets of this hardware?

Very nice and instructive graphic!

I would be cautious to use even the modified pentax meter for concluding
whether film fogging might occurr.
I think in the modified version a special IR...

I fully support Michaels request for a life test. "The proof of the pudding is in the
eating!!!".

However we must be aware, that:
this test is only concluant for this special test set-up:...

The news that the *new* Kodak Portra400NC is available in 8x10" is fantastic news.

I feel it vital, at least for my photography, to have colour negative material available
not only in ISO160,...

see following tutotial on IR diodes
http://www.gizmology.net/LEDs.htm

it clearly states:


this should be warning enough to *not* use near-IR diodes with unknown spectrum distribution

I...

Does anybody know whether this film is still available somewhere
in Europe or US?

I think it is still listed on sites like B&H, but I am not sure whether
their websites are not updated, or...

How about using a filter in front of your IR illuminator,
that just lets pass IR, and cutting all visible light?

Couldn't you use the same filter being used in IR photography
for cutting off...

I would be very interested to get the detailed schematics someone might have, especially how the pulses are generated.
I am familiar with coil driving circuits, and know that you can destroy your...

Japanese to English Translation:

http://translate.google.com/translate?js=y&prev=_t&hl=fr&ie=UTF-8&layout=1&eotf=1&u=http%3A%2F%2Fwww.toyoview.co.jp%2Fsub16.html&sl=ja&tl=en

Looks like a high precision copy camera,
realized on a Sinar basis:
http://www.toyoview.co.jp/sub16.html

Any idea if this is just a prototype, or if this is
readily available?

Maximal Enlarger height (8x10") versus Printsize:



The good news is that the choice of enlarging lenses for 8x10" enlargers
normally narrows down to 3 focal lengths:
-210mm (vignetting)...

I wonder whether anybody modified a standard ZoneVI
8x10" camera to take standard Sinar lensboards?

The difference in size is very small, so a little bit of wood
reworking might do the job.
...

is there a link to these images?

I could imagine some unsharp masking during contact printing;
it is difficult to make an educated guess when one has not
seen the pictures.

@Claus,
Thank you for the information.
If you do not have the measuring equipment and the troubleshooting experience,
the problemsolving will not be so straight forward. Ideally you would locate...

Laborator 1300 with CLS1000 and ECU1000

for clarification of the problem:
1. what happens at power up, does the focus motor:
remain in position?
goto minimal position?
goto maximum...

I do not know the CPA, just wondering whether they have a similar EFI capacitor installed?
http://www.apug.org/forums/forum43/56152-smoking-jobo-atl-2300-a.html

How many different fuses are in...