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More Progress with ISO - How about 6?
Oct 21, 2015 08:46:00   #
jerryc41 Loc: Catskill Mts of NY
 
Want to shoot with film rated at ISO 6?

http://petapixel.com/2015/10/19/kono-donau-a-new-ultra-slow-35mm-film-with-iso-6/

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Oct 21, 2015 11:18:35   #
warrior Loc: Paso Robles CA
 
Thanks for the info but "YUK" on pics :?:

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Oct 21, 2015 11:42:24   #
jerryc41 Loc: Catskill Mts of NY
 
warrior wrote:
Thanks for the info but "YUK" on pics :?:

Definitely. You could get those effects from processing digital.

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Oct 22, 2015 11:20:02   #
nmachtiger
 
If one has been around as long as I have been in photography (nearly 60 years) , you might remember that the original Kodachrome was Iso (ANA ASA) was 10. When Kodak announced that Kodachrome 10 was being replaced with Kodachrome 25, many of us, myself included, bought as many rolls of 10 and froze them for future use. The only problem occurred when Kodak announced the end of processing for 10. Thewre were a few private labs that continued to do so, as long as the required chemicals were still Available

I believe that the color rendition, grain structure and long term color stability of 10 were superior to 25

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Oct 22, 2015 13:38:31   #
dmsM43
 
I remember experimenting with Kodak's "Fine Grain Release Positive" film in my 35mm cameras. It had an ISO of "1" and was blue sensitive only. The images were very sharp and essentially grainless. Typical exposures ran from several seconds to minutes depending on the subject lighting. Someday I'll find time to scan some of those negatives, so I can show people what they looked like.

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Oct 22, 2015 18:57:52   #
romanticf16 Loc: Commerce Twp, MI
 
nmachtiger wrote:
If one has been around as long as I have been in photography (nearly 60 years) , you might remember that the original Kodachrome was Iso (ANA ASA) was 10. When Kodak announced that Kodachrome 10 was being replaced with Kodachrome 25, many of us, myself included, bought as many rolls of 10 and froze them for future use. The only problem occurred when Kodak announced the end of processing for 10. Thewre were a few private labs that continued to do so, as long as the required chemicals were still Available

I believe that the color rendition, grain structure and long term color stability of 10 were superior to 25
If one has been around as long as I have been in ... (show quote)

Further, you got better color rendition using the Tungsten ASA 10 Kodachrome With a conversion filter for Daylight use, which gave you an effective ASA of 6. I know and still have examples taken with it.

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Oct 22, 2015 21:12:00   #
mtbear
 
I shot a lot of litho film, ASA 6, both plates in the darkroom and 35mm in the field.

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Oct 29, 2015 10:54:39   #
bkyser Loc: Fly over country in Indiana
 
Makes one want to ask the subject "Why so blue?" :-)

I know that my "modern" film cameras will only go down to ISO 25, so I'd still be pushing the film.

I will stick with ND filters.

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