Yes you are right Rudeofus - I have heard this from a further source.I have not used Cinestill 800 in 120 format, but would be absolutely stunned to hear that it was perforated. Unlike the 135 version, which is just a respooled version of Vision 3 500T sans remjet, the 120 version was custom coated on a film base suitable for this format.
It is my understanding the Cinestill buys some type of bulk film from EK, then uses some process to remove the rem-jet and then ships it across the Atlantic to be cut and packaged.
What interests me is how this process fits in with Kodak Alaris' distribution rights. Cinestill appears to be interacting directly with Eastman Kodak. KA is involved with the lomography deal - https://petapixel.com/2013/11/14/kodak-lomography-partner-vow-keep-film-photography-alive/
I have a general idea of the agreement between EK and KA, but like most, have never seen actual contractual details.
It interests me is how this process fits in with Kodak Alaris' distribution rights. Cinestill appears to be interacting directly with Eastman Kodak. KA is involved with the lomography deal - https://petapixel.com/2013/11/14/kodak-lomography-partner-vow-keep-film-photography-alive/
I have a general idea of the agreement between EK and KA, but like most, have never seen actual contractual details.
That is a realy good question - but notice, it is not the same emmulsion.What I'm still trying to understand is what's the point of cinestill if portra 400 is using the same technology.
Sorry just have a little correction:That is a realy good question - but notice, it is not the same emmulsion.
It is just what one could name :
"The same film family" additional you just will notice the improvoment to
Thungsten
with regards
Cinestill 800 is ISO 500 tungsten balanced, Portra 400 is ISO 400 daylight balanced. In a place with tungsten light illumination Portra 400 + Wratten 80A filter will effectively be an ISO 100 setup, giving Cinestill a factor five speed advantage. Sadly, there is no Portra 400T or anything like it.What I'm still trying to understand is what's the point of cinestill if portra 400 is using the same technology.
My understanding is that ISO 100 to 500 is more like 2 point something factor? I don't mean to diss the efforts of the guys at cinestill, it's just that the process makes it so incredibly expensive ( nearly 3 times the price of Portra in Europe, possibly 4 in the US) for something that isn't different enough for me to justify that cost. Portra pushes up to 3200 with decent results, so even with a filter you can probably get similar results, and without the halation, so I still don't see the point.Cinestill 800 is ISO 500 tungsten balanced, Portra 400 is ISO 400 daylight balanced. In a place with tungsten light illumination Portra 400 + Wratten 80A filter will effectively be an ISO 100 setup, giving Cinestill a factor five speed advantage. Sadly, there is no Portra 400T or anything like it.
Good idea (to try out the cinestill800)I have 4 rolls of CineStill 120 waiting for me to be used. Of course, just by coincidence, all 3 of my Hasselblad back are loaded with film right now (usually I have two loaded...) so have to finish one roll before I can do the test.
I mainly use Portra 160 and 400, and some Portra 800 on the Hassy, so would be interesting to see how the CineStill compares. I like the colors that I see. Warmer than Portra from what I can see...
My understanding is that ISO 100 to 500 is more like 2 point something factor? I don't mean to diss the efforts of the guys at cinestill, it's just that the process makes it so incredibly expensive ( nearly 3 times the price of Portra in Europe, possibly 4 in the US) for something that isn't different enough for me to justify that cost. Portra pushes up to 3200 with decent results, so even with a filter you can probably get similar results, and without the halation, so I still don't see the point.
It's a 2 1/4 stop speed difference, or a linear factor of 5. ISO speed is a linear measure of film sensitivity. Aperture stops are logarithmic, and the term 'factor' seems unfitting to me.My understanding is that ISO 100 to 500 is more like 2 point something factor?
I don't mean to diss the efforts of the guys at cinestill, it's just that the process makes it so incredibly expensive ( nearly 3 times the price of Portra in Europe, possibly 4 in the US) for something that isn't different enough for me to justify that cost. Portra pushes up to 3200 with decent results, so even with a filter you can probably get similar results, and without the halation, so I still don't see the point.
It's a 2 1/4 stop speed difference, or a linear factor of 5. ISO speed is a linear measure of film sensitivity. Aperture stops are logarithmic, and the term 'factor' seems unfitting to me.
The biggest problem with Cinestill films is their lack of anti halation layer, spot highlights within the image frame look "interesting", euphemistically speaking. Since Cinestill 800 in 120 format is a custom coating anyway, I wonder how difficult it would have been to sneak in an anti halation layer, or whether they did this anyway. My first roll is still in the mail ...
- These are mostly Kodak's efforts, not so much Cinestill's. Confectioning film is orders of magnitude easier than making a 500T emulsion.
- You can push Portra all you want, but shadow detail will be crap. Some scenarios will handle this better than others.
- If you self mix color chemistry, cost difference between C-41 and ECN-2 is negligible.
I have 4 rolls of CineStill 120 waiting for me to be used. Of course, just by coincidence, all 3 of my Hasselblad back are loaded with film right now (usually I have two loaded...) so have to finish one roll before I can do the test.
I mainly use Portra 160 and 400, and some Portra 800 on the Hassy, so would be interesting to see how the CineStill compares. I like the colors that I see. Warmer than Portra from what I can see...
It's a 2 1/4 stop speed difference, or a linear factor of 5. ISO speed is a linear measure of film sensitivity. Aperture stops are logarithmic, and the term 'factor' seems unfitting to me.
The biggest problem with Cinestill films is their lack of anti halation layer, spot highlights within the image frame look "interesting", euphemistically speaking. Since Cinestill 800 in 120 format is a custom coating anyway, I wonder how difficult it would have been to sneak in an anti halation layer, or whether they did this anyway. My first roll is still in the mail ...
- These are mostly Kodak's efforts, not so much Cinestill's. Confectioning film is orders of magnitude easier than making a 500T emulsion.
- You can push Portra all you want, but shadow detail will be crap. Some scenarios will handle this better than others.
- If you self mix color chemistry, cost difference between C-41 and ECN-2 is negligible.
It it differed a bit - Portra800 is not improved from Kodak.
Or am I wrong? Did Kodak anounced at any time : "new Portra800 - improved
emulsion" I can't remember this.
Scientific side by side comparisons between ECN-2 and C-41 development are rare because the film is bloody expensive.
Not really, Vision3 can he bad for $120 for 1000 feet if you google around, I bought loads of 500T and 50D.
It does have the remjet-layer though, so it's a bit messy to bulk and develop yourself, but it's super-cheap when you do. (I filter my chemicals when I process these films and physically drag off the remjet before STAB by hanging the film in the shower and using a very wet, very soft paper-tissue).
ECN-2, even though the recipes for making it yourself is readily available, is out of reach for me, I cannot get hold the chemicals.
This guy ( http://www.rangefinderforum.com/forums/showpost.php?p=2667323&postcount=38 ) did a comparison between ECN-2, RA-4 (paper) AND C-41, those were tweaked scans and there was hardly any difference to my eye. Unfortunately his photo's are no longer online.
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