The film is not ISO 80 in the developer you use, better specify it...
It's not ISO 80 in XTol, D-76, 510-Pyro, Pyrocat-HD, neither. I've tested them. Heck, you can shoot it at ISO 80, if you like the look of soot and chalk.

The film is not ISO 80 in the developer you use, better specify it...
I just bought a few rolls of 35mm size P30 ... hoping for good things ... but the box has no "expiry" date (or any other date). Is this normal?
And whilst I'm posting, can anyone recommend a suitable developer for this film? I usually use Rodinal (but too grainy for this film?) or D76.
I shoot at ISO 64 and develop in D76 1:1 at 20C (68F) for 13.5 minutes. Here's an example of the result that demonstrates contrast:
(This was in the shadow of a tree on a very bright summer day)
Others may have differing results. I'm curious for those shooting at ISO 32, 25, etc - do you alter your developing times or do you develop as if it was shot at ISO 80?
That's a gorgeous result, dhkirby. I use EI 32. I alter the developing time, but with Thornton's 2-bath, it's slight.
I just bought a few rolls of 35mm size P30 ... hoping for good things ... but the box has no "expiry" date (or any other date). Is this normal?
And whilst I'm posting, can anyone recommend a suitable developer for this film? I usually use Rodinal (but too grainy for this film?) or D76.
Thank you all for the advice. I'm going to start with shooting at ISO 50 (or even 32), and developing in D76 1:1 (this is the developer I usually have already made up, so I'll try it).
As for expiry dates not being printed on the box, I contacted Ferrania and got this amusing (but not very scientific) reply:
"
Hello
It is just a number with a link that doesn't work anymore.
Then we changed the system with a sticker with a date, don't worry P30 will last for some decades...there is a ProJet to use it for long lasting archive...
"
Obviously who replied to you doesn't have a clue.
Sorry, I have't considered the possibility.Or, put a little less belligerently: they may have misunderstood the question and thought it was about the processed negatives. They should easily last decades (or even centuries). The reference to a project about a 'long lasting archive' makes me think the question was simply misinterpreted. I noticed before that there are often language issues when it comes to Ferrania in English communication.
I would be interested in reviews/samples of their Orto product. Especially in 120! Has anyone tried it?
I think it's reasonable to give three years maximum of shelf life
interesting the OLD guide had several developers listed. this is a screen shot fro View attachment 380499 m the V3 Guide.
Obviously who replied to you doesn't have a clue. I'd ask them to define more specifically those "decades" how many years are,,,
I'd bet at maximum three years, not more.
Was this a recent message? Their social media doesn't seem updated either, and online stores seem to be mostly out of stockIn fairness, I got a quick clarification from Ferrania (who are very responsive):
Was this a recent message? Their social media doesn't seem updated either, and online stores seem to be mostly out of stock
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