That's very expensive in Europe at least, about 50€ the pack, so I decided maybe to keep using Ilford HP5+. But in my research, I found in eBay a shop selling a TRI-X 5 rolls pack expired in november 2019. I'm very new in film photography so maybe is to early to sumerge in the expired world, but as the price is about 5€ i'm tempted.
The general rule is to overexpose by 1 stop for every decade the film has expired by. Most expired film is usable in come capacity, so it really depends whether or not you like the effects it gives your photos. In many cases images taken on expired film will feature prominent grain, low contrast and color shifts.
All Fujifilm instant films work and look the same, however they differ in size and cannot be used in the other cameras in the Instax series. As you can see in the graphic above, the Instax mini is the smallest of the three sizes available for their instax cameras and it is also the least expensive Instax film with the most variety of colors and style available (see this guide on Instax film). With over 40 years of developing film, The Darkroom will professionally develop your old film and color, contrast and density adjust every frame… or choose to have no color corrections applied. Develop your old rolls of film with The Darkroom. I would sell the expired C41 and E6 and buy b&w film. Or find someone to exchange. As alternative you could buy C41 chemistry or E6 chemistry . (Or even use b&w [paper] developer with c41 chemistry to develop E6) You can develop C41 and E6 in b&w chemistry ( actually first step of E6 Development is basically a b&w developer).
A 100ft bulk roll will get you just over 18 rolls of 36 exposure film (I usually find there’s about 10-15 frames left over after spooling that 18th roll). $61.99 divided by 18 is $3.45. That’s under half the price of Amazon, and still much lower than individual rolls from B&H. Expired film also benefits from the use of a bulk loader, too.
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how to develop expired film