@MattKing That's the canonical method of replenishing in a small tank environment, isn't it? Not sure how it's any more consistent to use the same volume of tank solution each time, though, unless it's a 1L container to begin with. Running 1 to 4 rolls in that developer means the pour-back will have different levels of exhaustion and different amounts of carry-over loss.
I completely agree with both of you, however, that replenishment is both an economic winner and a way to increase consistency.
This would only be true if he refers to movie film.
And Orwo is about to disrupt that this year.
Which I do when useful. My tank takes up to four 120 rolls so if I am only developing two 120 rolls there is no need to double up.
The conversation was specifically about C41 still film in 35mm and 120. With Andy Church from Kodak-Alaris.
When I spoke with Andy Church of Kodak-Alaris a few weeks ago, (...) He said they are "pretty much the only people in the world" making colour camera film. And the only way for the price to come down, is if we all buy more. Regularly.
But now, thanks to 220, you don't need to tape two 120 rolls together. Convenience!! Have a pleasant experience developing your films! Zeiss lenses + 220 film = Heaven!! BUY NOW!!
He wasn't exactly confident that film prices will ever drop, but said that the only way they could is if there is a sustained increase in sales.
- Fuji (Provia, Velvia, etc, and the fuji-made C41 film that is still sold in europe and japan)
Companies that make color still film:
- Adox (Color Mission 200 and its custom films for lomography)
This goes contrary to exactly what has happened during the last two? three? five years...
Demand for C41 still film has skyrocketed, you can check out Henning Serger posts in the last years commenting that demand is far exceeding supply right now. You can see how popular color negative film is out of stock, often.
Yet the prices are increasing and increasing.
If demand increases yet there are only a few suppliers, there isn't any guarantee that prices will drop. More likely to happen it's the opposite. Andrew Church is creating a revolution in economic theory.
Kodak folk have repeatedly stated that it is not easy for them as their process for making 100ft and 400ft bulk rolls is not as automated as Ilford or Foma's. Hence the bulk rolls of tri-x and T-MAX costing a lot more than equivalent Ilford products.
1) if one time you develop a 135 roll in 280 ml, and thus ad X amount of byproducts to that tank, when you discard 70 ml of that in the replenishment process, you are discarding X/4 of the added byproducts;
2) if you develop a 120 roll in 560 ml, and thus ad X amount of byproducts to that tank, when you discard 70 ml of that in the replenishment process, you are discarding X/8 of the added byproducts, or only half of the added byproducts discarded in the 135 case; however
3) if you develop either a 135 roll or 120 roll in 1120 ml, in either case you are discarding X/16 of the added byproducts.
The timeline, as I understand it, goes thus:
early 2000s....film sales plummet as digital and phones take over. Many companies get out of the business or fold. Demand for C41 films falls consistently
2010s....Kodak has a lot of woes and mistakes, but does something positive by changing their manufacturing process to permit smaller batches of films. This allows more flexibility in a market which is predicted to still shrink or at best stay level. The result of the reorganisation of the manufacturing process means price increases
2017 Colour film sales start to climb
2018 Kodak and fuji cannot keep up with colour film demand. Additionally, as the market has shrunk, supply of some materials is difficult. Bottlenecks begin, supply of film to retailers becomes sporadic. Kodak begin to take steps to increase production of films including bringing back some old favourites....this investment costs money, adding to the cost of film...
2020....covid hits, supply chains are even more disrupted...Kodak has to change the base material and even 35mm cassette caps....resulting in increased costs....
The prices are increasing at least in part because Kodak are investing in keeping their film production going, enabling it to be flexible in the expanding market.
Andy Church wasn't promising anything regarding prices when I spoke with him, but did say the only possible way prices might decrease in future years was if people bought more film.
This goes contrary to exactly what has happened during the last two? three? five years...
Demand for C41 still film has skyrocketed, you can check out Henning Serger posts in the last years commenting that demand is far exceeding supply right now. You can see how popular color negative film is out of stock, often.
Yet the prices are increasing and increasing.
If demand increases yet there are only a few suppliers, there isn't any guarantee that prices will drop. More likely to happen it's the opposite. Andrew Church is creating a revolution in economic theory.
Any advice for those who do not slurp down $6 cappuccino?
Only when supply outstrips demand will prices drop, if costs can drop as volume grows.
Any advice for those who do not slurp down $6 cappuccino?
pentaxuser
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