ATP [new TechPan]

titrisol · Apr 2, 2008

My 1st impressions after shooting in a Nikon FE Micro Nikkor 55/2.8 and developing in the special developer 1+15 for 8 minutes:
- Base is very thick and sturdy, easy to load in the spirals but my scissors fell from the table and pulling the final tab from the roll was very hard. It has a nice color (almost trasnparent)
- No curling
- I exposed the film as EI32, ina copy stand with flash/artificial lights which burnt some highlights (for scanning) but should be OK for darkroom printing It maybe better to rate this as EI64 for artificial lighting
- The last frames were exposed outdoors and those seems to be fine as EI32

Looking through a 8x loupe I could not see grain, I'll try looking thorugh a microscope to find any grain.

Examples in Flickr

and a 100% crop

titrisol · Apr 3, 2008

UPDATE, there is grain visible with 50X microscope (5x in ocular+10X in objective)
The grain is much smaller than NeopanAcros (the only negative I had handy for comparing)

kram · May 2, 2008

Folks, I have just developed my first roll in the special developer. Exposed at ASA40, I used de ionised water for the developer, no stop -as suggested. Temp 20.5 C for 6.5 mins. Great negs, fantastic film. However, I do have a gripe - the amount of developer gives 250 ml of working solution. It suggests to use plastic tanks, which I did - but they take 300 ml. No problem I though, shaking every 30 secs would wet the film OK. Well negs on outside of spiral OK (say first 6-8) but all others had under developed marks on one edge. SO PLEASE, JUST A LITTLE MORE DEVELOPER IN THE BOTTLE SO I CAN MAKE 300 ML WORKING SOLUTION. The film has NO visible grain to the naked eye on 8x12 inch prints. Ilford pan F +, I can see 'grain crumps' in certain areas on 6x9 prints (and I expose that at ASA 40). Again great film, but please bigger bottles of developer.

AutumnJazz · May 2, 2008

Oh my god. This is the film I've been looking for.

I was just about to ask for a very contrasty film with as little grain as possible. Then this thread popped up.

This film looks like my answer.

If I were to get some rolls of this, when should I use what ISO and why?

Still a newbie to photography. Ha.

Screw it, I'm going to order some right now.

Admbws · May 2, 2008

AutumnJazz said:
I was just about to ask for a very contrasty film with as little grain as possible. Then this thread popped up.

You may want to try one of the chromogenic B&W films such as Ilford XP2 or Kodak BW400CN and over exposing a few stops first. That should give you fine grain and high contrast. It will save you messing about with this specialized film with its special development process.

Stephanie Brim · May 2, 2008

Just because they recommend a developer doesn't mean that it has to be the one used.

To go further.

If the film is as much like Tech Pan as 'they' say, HC-110 in the dilution that Contrastique used may work well as an alternative.

kram · May 3, 2008

I have asked on other threads for alternative developers, but there has been no one who has actually tried it. Other mentioned that work are just as hard to get as the recommended one. Please someonet recommend an Ilford or Kodak developer for this film, but only if you have tried it - and it works fine.

Alan Johnson · May 3, 2008

To get full film speed from this type of film a developer with a high concentration of phenidone may be used since the oxidation product of phenidone is an inhibitor of development that controls the contrast.Dimezone may be similar.The only Ilford or Kodak product of this type is I believe Kodak Technidol.Alternatively there is a time for dilute Rodinal here:
Dead Link Removed

AutumnJazz · May 3, 2008

Admbws said:
You may want to try one of the chromogenic B&W films such as Ilford XP2 or Kodak BW400CN and over exposing a few stops first. That should give you fine grain and high contrast. It will save you messing about with this specialized film with its special development process.

I don't have a darkroom yet (it is hard to convince others to let you commandeer a bathroom), so it doesn't really matter to me.

Now, at least.

Alan Johnson · May 3, 2008

The contrast index of tech pan in various Kodak developers can be found in the Exposure section here:
http://www.kodak.com/global/en/professional/support/techPubs/p255/p255.jhtml

PKM-25 · May 3, 2008

I have the little trial kit coming, I will report back when I get results. I just wish they would make it in 120.

WRSchmalfuss · May 4, 2008

ATP1.1 as roll film 120!

PKM-25 said:
I have the little trial kit coming, I will report back when I get results. I just wish they would make it in 120.

Roll film 120 is in progress and will be launched at the latest time, at the Photokina in Cologne!

Cheers
Wolf

dr5chrome · May 4, 2008

...new link:
http://www.blackandwhiteslide.com/atp.html

dr5chrome said:
We finally have our new ATP page up on our website for those interested in this TP replacement film by ROLLEI-MACO.

Regards
dw

keithwms · May 4, 2008

WRSchmalfuss said:
Roll film 120 is in progress and will be launched at the latest time, at the Photokina in Cologne!

Cheers
Wolf

Wolf, any chance there will be some ATP sheet samples for test?

Also, do you have any status on that new Rollei IR that we tested?

Thanks!

Alan Johnson · May 6, 2008

My first result with ATP,exposures of a sun/shade contrasty subject.
EI 8 Rodinal 1:200 15 min 68F Agitate 30s then every 2 min.(2.5ml rodinal->500ml).
A proof print shows no defects.
Microscopic examination of test chart negative shows 100 line-pairs/mm.

janjohansson · May 7, 2008

Alan Johnson said:
My first result with ATP,exposures of a sun/shade contrasty subject.
EI 8 Rodinal 1:200 15 min 68F Agitate 30s then every 2 min.(2.5ml rodinal->500ml).
A proof print shows no defects.
Microscopic examination of test chart negative shows 100 line-pairs/mm.

100 lp/mm with what contrast of test chart? 1:1000? 1:1.6? or some other?

-j

Alan Johnson · May 7, 2008

My test charts are ordinary black print on white card.I used the Canon 50mm 1.8 EF. This type of film outresolves the lens.The attached photomicrograph made earlier gets the same 100lp/mm result with Copex Rapid.It shows a photomicrograph of the negative of the test chart round the 100 lp/mm section.

AutumnJazz · May 7, 2008

100lp/mm?

Holy crap, this film is nearly 35 megapixels.

ath · May 7, 2008

On Orthopan UR (Adox CMS20) I reached 180lp/mm at f/8 with the EF 50/1,8. Test pattern was USAF 1951 printed with a laserprinter on ordinary office paper - contrast is something like 5 or 6 stops: high, but normal.

First crude check on ATP in Caffenol LC gave something like 120 or 130 lp/mm - enough. Still investigating the best low cost developer.

kram · May 7, 2008

Alan J - Keep testing, my suppler of ATP in the UK only supplies the test kitt or film. They don't do the bigger 140ml bottles of developer.

Wolf, any chance of doing the developer in larger bottles- say-250 ml +?

Regards Mark

j4425 · May 7, 2008

Any idea where I could pick this up.. B&H won't ship the trial kit. Thanks...

AutumnJazz · May 7, 2008

180lp/mm?

Holy crap. That's 112 megapixels.

But isn't that microfilm?

Whatadame · May 8, 2008

j4425 said:
Any idea where I could pick this up.. B&H won't ship the trial kit. Thanks...

I got mine from Freestyle.

j4425 · May 8, 2008

Whatadame said:
I got mine from Freestyle.

Thanks. I'm gonna pick up a few rolls.

janjohansson · May 8, 2008

AutumnJazz said:
180lp/mm?

Holy crap. That's 112 megapixels.

But isn't that microfilm?

Really it is not pixels. ;D

-j

ATP [new TechPan]

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