Pushing C41 3-4 stops? Need help

EASmithV

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Rudeofus

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Athiril pushed Portra 400 all the way up to ISO 25600 and posted an example both (there was a url link here which no longer exists) and on flickr. He used special processing to get that far up.
 

Brian C. Miller

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That's a 6-stop push! He says on his Flickr page 7:30 in C-41. I can't resist. I have just got to try that with sheet film! I have some Portra 800 in 120 to try, too.

I have no idea why he says, "do not try this." I mean, COME ON! That's what developing film yourself is for! I did Mortensen refrigerator development with Ilfosol 3 1:9 and Acros 100 for five days. Yeehaa! A little bit dense, but no problems!

Do not try this at home, indeed. Next thing you know they'll be coming for my proton accelerator pack. Sheesh! How am I supposed to advance the art of emulsion coating and ghost busting without it?
 

Rudeofus

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Brian,

Athiril posted some comments how he souped the film to achieve this incredible ISO. From what I vaguely remember it was not just "soup it until it gets boring and then some". That might be the reason for his comments.
 
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EASmithV

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Rudeofus said:
Brian,

Athiril posted some comments how he souped the film to achieve this incredible ISO. From what I vaguely remember it was not just "soup it until it gets boring and then some". That might be the reason for his comments.
Click to expand...

Blasphemy. Brian, prepare for Ludacris speed!
 
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