----------
> From: Kerry Dressler <bio-photo@xxxxxxxxxxxxx>
> To: olympus@xxxxxxxxxxxxxxx
> Subject: [OM] Other Problems with FILM
> Date: Friday, July 10, 1998 10:17 AM
>
............
>
> I use Kodak Kodachrome 64 for 900f my work. Reasons? Well, all the E-6
> films have to be developed correctly by conscientious labs to have even a
> chance at longetivity.
........
> I've got Kodachrome shot 25 years ago, never ke
> looks like it was shot yesterday. I haven't seen Agfa, Fuji, Ektachrome,
> or anything else that has lasted the test of time.
........
I have some interesting information on the dark and light fading of slide
films, information is from a 1990 popular photography, by Henry Wilhelm:
Light Fading
----------------------------------------------------------
Data are actual results based on Projection time to
intermittent projection of the reach objectionable
test films listed. loss of dye density
or color shift
----------------------------------------------------------
Fujichrome Amateur and Pro films 5 hrs 20 min
----------------------------------------------------------
3M Scotch Chrome 100,400,800/3200 3 hrs 30 min
----------------------------------------------------------
Fuji Velvia Pro 3 hrs 20 min
----------------------------------------------------------
Kodak Ektachrom films 2 hrs 40 min
----------------------------------------------------------
Agfachrome Pro 50RS 100RS, 100CT.. 2 hrs
----------------------------------------------------------
Kodachrome Amateur and Pro. 1 hr
----------------------------------------------------------
Dark Fading
---------------------------------------------------------
Based on accelerated aging Days for 200ss
test (144 deg.F 45%RH) least stable image dye
----------------------------------------------------------
Kodachrome Amateur and Pro. 580
----------------------------------------------------------
Kodak Ektachrome 210-225
----------------------------------------------------------
Fuji Velvia Pro 185
----------------------------------------------------------
Fujichrome Amateur and Pro. 185
----------------------------------------------------------
Agfachrome 50RS,100RS/CT,200RS/CT 140
----------------------------------------------------------
3M Scotch Chrome 95
----------------------------------------------------------
Agfachrome 1000RS Pro 75
----------------------------------------------------------
3M Scotch Chrome 1000 45
Polaroid Presentation Chrome
----------------------------------------------------------
C.H.Ling
...............................
Accura Digital Imaging
http://www.glink.net.hk/~chling
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