Dumb lad makes the easy mistake...

OurManInTangier

OurManInTangier

An Undesirable
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Oct 31, 2006
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...I forgot to adjust the ISO on the back of my M6 from 200 to 100 after switching from a roll of Fuji Superia to Delta 100.

I've been shooting on a very contrasty day and have now effectively pushed my film one stop. Has anyone got any advice on processing this now? I know I need to adjust the dev time slightly but has anyone pushed Delta 100 before that might suggest a decent way forward.

I suppose thats what happens when you get carried away and have just about every kind of film under the sun sitting in your bag!!

Thanks
 
I have the same problem but with a different kind of film..i put a ilford delta 3200 and when i finished it i put a delta 400..so it was pushed to 3200..

I have to develope it like a delta 3200?

Thanks!

sinetsin
 
One thing, Simon... It'll never happen to you again! :)

I don't know the answer to your question, but if you push-process one stop I don't think you'll pay for it in grainy film and images. Now, if you had pushed it like three stops... we'd be talking risk! :eek:

Check out the developing instructions just to make sure. I know that with FP4 you add three minutes of development if you expose it at ISO 200 instead of ISO 125, but that's the extent of my experience...

Good luck!
 
Sinetsin - ouch!

I think you have to give it the same dev time you would for a 3200. I need some help with this too as its been so long since I pushed/pulled any film.

I'll Google some results if there are no responses before I try and put it through the soup.

Thanks Solares - I'll check out the box.
 
A couple of extra minutes should do it, but, as Stephanie says, the Massive Dev Chart is a good place to look. Never tried pushing Delta 100 but one stop should come out OK. If you shot with Tri-X you could easily get away with anything from ISO 200 to 3200 :)

Ian
 
I saw that thread. I'm never anywhere dark enough to need that, but it's impressive to see :)

Ian
 
I would lean towards dev'ing this in Diafine, which tends to give a speed boost while flattening out the contrast curve.
 
DIAFINE with no adjustments.

Otherwise just add 15% to development time for 100 of any other developer (I'd recommend D-76 1:1).

You'll be fine.
 
Most of the time, Diafine turns an iso100 film to iso200, so it should be enough.
 
Thanks for the info, especially the Massive Dev Chart ( now in my favourites for further perusal!)

I've actually screwed up twice as I mixed the unintentionally pushed Delta 100 up with a roll of normally exposed Delta 100....oh well, live and learn - I hope!
 
If you do use "the Massive Development Chart" I'd be interested to see the shots when you are done. I'd also be interested in the actual developers and times you used.
 
Most know my love affair with the Massive Dev Chart. I love trying new developers and I use it to find my starting points. My next new developer (first one in six or so months) will be XTOL. I'm excited.
 
Diafine is pretty impressive stuff. Not only does it seem to be rather forgiving in terms of exposure latitude (which of course has something to do with the film as well) but it's not too picky about development time or temperature either. Perfect for a development neophyte like myself. :D

Cheers,
Jeremy
 
I managed to shoot a roll of HP5+ in 120 at iso50 the other week. I was juggling a Holga with the HP5+ and my Bronica with Velvia 50. I only have one light meter :(

I haven't been brave enough to try developing it yet. It seems there's not much info out there for pulling HP5+ to iso50!
 
JeremyR said:
Diafine is pretty impressive stuff. Not only does it seem to be rather forgiving in terms of exposure latitude (which of course has something to do with the film as well) but it's not too picky about development time or temperature either. Perfect for a development neophyte like myself. :D

Cheers,
Jeremy
Click to expand...

AND it lasts FOREVER!
 
I still have mine from about a year ago in milk jugs...I need to move it to more suitable plastic containers so that it doesn't eat through these.
 
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