those spools are interesting. I like the design.
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Complete Guide to 70mm Film
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those spools are interesting. I like the design.
I do as well. I made sure that the ones I was keeping more of the newer design rather than the older one with metal clip.
Were they Kodak Tri-X pan by any chance? I also ordered a second A70 back and received it with a full cassette in it. Brand new retail cassettes. Which I thought was intersting. Not bulk loaded. I should shoot it even if I don't have a mean to develop it. Would anyone know if they made 320 and/or 400 TX? I was going to guess ISO 125, maybe I should just shoot it as 60.
I believe that Tri-x 320 was and is only made as sheets. So it’s almost certainly 400TXP
Ok thanks. I will need to see how it performs with over exposure. Not knowing how it was store, nor its age, it's a little tough to gauge how to shoot it.
MattKing
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In case it makes any difference, the cassette here look like from the 80's maybe 90's. Also, those are different SKUs, the 15-ft preloaded cassette as 70mm long roll. The paragraphe above says in 2007 the 400TX existed in that format, so I understand the 320TX were not.
Anywho, they are loaded now, but I can take a picture later once I unload them after shooting. Also once developed, I will be able to see what it was! lol.
As a side note, am I the only one romanticizing the 70mm cassettes? That format is so much better than the 35mm ones!
That NASA 70mm cassette was marked ISO 400, so I guess it could be Tri-X. But the film was blank, no alien (or moon) images on it. And there were no edge marking either.
I've been away from my photography darkroom for a few years and am just now getting back to it. In the 80's I started using 70mm film in my Hasselblad. I was able to get a couple of 15' SS reels but could not find a daylight tank. I made my own by cutting down an Omega print tank:
I had also cut down a regular Kinderman type SS tank and epoxied the cut off piece to the top of the print drum so I could use a Kinderman top & agitate by inversion. Ugly but the tank works well.
To process 5' of 70mm film I made a SS reel by cutting a 35mm 36 exp reel in half and epoxied a dowel in the middle spacing it to hold 70mm film:
Makes developing short rolls of 70mm or 116/616 film quire easy.
I had also cut down a regular Kinderman type SS tank and epoxied the cut off piece to the top of the print drum so I could use a Kinderman top & agitate by inversion. Ugly but the tank works well.
To process 5' of 70mm film I made a SS reel by cutting a 35mm 36 exp reel in half and epoxied a dowel in the middle spacing it to hold 70mm film:
Makes developing short rolls of 70mm or 116/616 film quire easy.
2479 is quite grainy. Some people find it pleasing, some not.
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Where do you find thing stuff?
Funny story, I didn’t actually find this. Friend in Germany found it and shared it. $75 later, most of that from shipping, it is now mine.
Closest thing I’ve been able to find is 2475, which I believe it is related to, although I can’t be sure as there is currently very little information online about it. I attached the front side of the data sheet, this is the most information I’ve ever seen about this film.
Attachments
It's in the same line of films as 2475, somewhat slower than 2475 and with somewhat different sensitivity. It'll likely have lost speed and have baseball-sized grain. Again, they can be nice baseballs, but that's the look to expect.
I was joking around with some friends that maybe this would finally be the time that I found a green film, I was not expecting it to actually be (olive) green film. Very interesting color, I’ll see if I have time to roll up a little bit of 120 today for testing.
Attachments
Last edited:
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BTW, Kodak did offer both TX-400 and TXP-320 in 120 rolls. I'm not sure when they discontinued TXP-120, probably after 2000.
I wondered, back then, about doing a comparison exposure/development test to actually know what the difference was in actual practice. But I never got around to it; there must have been real work to do, and we were using TMX most of the time anyway. And then it was too late.
I wondered, back then, about doing a comparison exposure/development test to actually know what the difference was in actual practice. But I never got around to it; there must have been real work to do, and we were using TMX most of the time anyway. And then it was too late.
"orthochromatic in nature" it says in this link, if you can get it to work. https://ia800802.us.archive.org/32/items/a-rebuild-of-a-burke-james-5-x-7/Kodak RAR Film.pdf ... you might get a 404 Error, but the site is about experimenting with developers for this film.
“Ansco-30/JK” developer was used and it worked better than the usual developers such as D76
Very interesting information, unfortunately that is not the same film that I have. From the bit of research that I have done, this film seems more similar to something like 2475 than 2490. Although even still I’m not super sure what to expect.
Wow. interesting color. If you roll some 220 I would be be interested in getting some from you and "test" them on my Hasselblad. For science of course!
I follow with interest this thread, even though I likely never go 70/65mm, still have way too much 120 and 220 in the freezer.
Just because I came across, in case interesting for someone, there is a Pentax 645 back with eyepiece on Yahoo Auction Japan (use a reshipper like fromjapan.co.jp, buyee or whatever to bundle it for shipping, as the seller put these in two different auctions...)
Back: https://auctions.yahoo.co.jp/jp/auction/h1208714662 ends in 6 days
Eyepiece: https://auctions.yahoo.co.jp/jp/auction/w1208522861 ends in 4 days
Just because I came across, in case interesting for someone, there is a Pentax 645 back with eyepiece on Yahoo Auction Japan (use a reshipper like fromjapan.co.jp, buyee or whatever to bundle it for shipping, as the seller put these in two different auctions...)
Back: https://auctions.yahoo.co.jp/jp/auction/h1208714662 ends in 6 days
Eyepiece: https://auctions.yahoo.co.jp/jp/auction/w1208522861 ends in 4 days
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