[rollei_list] Re: Trying to restore Kodachromes taken 50 years ago

  • From: John Wild <JWild@xxxxxxxxxxxxxxxxxxxxxx>
  • To: "rollei_list@xxxxxxxxxxxxx" <rollei_list@xxxxxxxxxxxxx>
  • Date: Wed, 6 Aug 2014 17:46:40 +0100

I apologise; I forgot that the C41 film I corrected was actually Agfacolor
dated 2001 and not from my cartridges of Kodacolor II - which are 1979 and
had nothing except a very faint image of the numbering on the backing paper
- probably heat or X-ray fogged.

John


On 06/08/2014 17:31, "John Wild" <jwild@xxxxxxxxxxxxxxxxxxxxxx> wrote:

> Carlos,
>    
> I have 'played' about with outdated Kodacolor II negative film and
> Ektachrome 100 Pro - both recently exposed and processed with unknown
> storage history - which have a blue cast but other colours have become
> distorted too.
> 
> I have used Digital ROC on my Minolta Dimage Multiscan Pro scanner (colour
> improvement) which with works with faded colours but not with a strong
> colour cast like these images. I also use ICE for dust removal.
> 
> People critisise the Minolta software and recommend Viewscan or Silverfast
> but I have never really got on with Viewscan - I do not find it to have
> subtle enough control. Silverfast do not have a driver for my scanner.
> 
> I have found that I can quickly improve the colours in Photoshop by
> adjusting overall Brightness & Contrast, Colour Balance, individual RGB
> Curves, then Hue & Saturation and Levels and then if required, a bit more
> Brightness & Contrast.
> 
> It does not take that long, and after a while it is easier to judge which
> way to go.
> 
> There is also the fact that we are now used to bright saturated colours and
> old film did not have that vibrance so it will be very difficult to bring
> those colours up to 21st century expectations.
> 
> Kodachrome is different and should last well. I have some from the 60's
> taken on my Instamatic 100 and the colours are still very realistic. I
> always thought that Kodachrome was expected to last almost forever.
> 
> John
> 
> 
> On 06/08/2014 16:20, "CarlosMFreaza" <cmfreaza@xxxxxxxxx> wrote:
> 
>> One of my sisters found a box containing some K 14 35mm Kodachrome
>> slides taken by my father between 1958 and 1962, the box also
>> contained some E-6 35mm Ektachrome slides taken by me when I was 16
>> and 17 years old (1972/73). We believed all these old slides were lost
>> and, in fact, most of them are lost, but these few slides in the
>> little box have some of the magic from the old times, when, as
>> fascinated kids and teenagers,  watched  the projected images .
>> 
>> The slides show very faded colors, dust, scratches and some units have
>> fungus and humidity stains too, anyway four or five Kodachromes look
>> pretty good, I don't know the cause for the difference, they are from
>> the same time, same lab an were kept in the same box.
>> 
>> I'm scanning them using the infrared cleaning option, Vuescan works
>> fine for the purpose, at least a lot better than the Epson Digital ICE
>> software. Vuescan eliminates most of the scratches and dust; BTW, it
>> can not solve problems if the image was destroyed in the emulsion
>> itself.
>> 
>> The scanning software options to restore faded colors and chromatic
>> losses hardly work to improve the image quality for these cases, most
>> of the slides need very much   work  with levels and curves; I'm
>> having some acceptable results for a few slides but others are beyond
>> my limited skills and knowledge, I think I'll convert them into Blank
>> and White images.
>> 
>> Carlos
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