Scanning glass slides

Discussion in '35mm Cameras' started by Annika1980, Jan 11, 2009.

  1. Annika1980

    Annika1980 Guest

    Anybody here ever tried it?
    Annika1980, Jan 11, 2009
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  2. Annika1980

    Rol_Lei Nut Guest

    Yes, both flatbed & film scanner, no problem.

    Those were weird c. 1900 B&W stereo glass slides which did (somehow) fit
    into the film scanner's film holder. Minolta 5400 (Mark I) had no
    problem focussing.

    I imagine that if you keep the emusion on the proper side, all scanners
    should handle them.
    Rol_Lei Nut, Jan 11, 2009
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  3. Annika1980

    Annika1980 Guest

    Can you re-use the glass when you do this or does it just break it?
    Annika1980, Jan 11, 2009
  4. Annika1980

    Rol_Lei Nut Guest


    There I was thinking of emulsion directly on glass plates...

    Maybe I am a luddite after all! :)
    Rol_Lei Nut, Jan 11, 2009
  5. Annika1980

    Rol_Lei Nut Guest

    If you're slightly more agile than Homer Simpson, you can re-use them
    (at least the vast majority of types). It's also a good chance to clean
    the inside surface of the glass.
    Rol_Lei Nut, Jan 11, 2009
  6. Annika1980

    Mark Thomas Guest

    Yep, assuming they are glass slide mounts (rather than true glass
    plates) he is talking about - *carefully take it out*!

    I have quite a few of these, they are removable and re-usable, but I try
    to avoid them:
    - the glass gets easily contaminated, and may even get stuck to the film
    if they are not stored well, so be careful
    - there is the newton ring problem
    - the textured glass often used in them to *avoid* newton rings, may
    interfere with your scan - I can see it on my 2700 ppi scanner.

    Also, I have broken one, and that wasn't a nice experience for me or the
    film within.
    Mark Thomas, Jan 11, 2009
  7. Annika1980

    Noons Guest

    Mark Thomas wrote,on my timestamp of 12/01/2009 8:44 AM:

    Hmmmm, never happened to me even with the old Agfa crap films.
    But I use exclusively the Gepe mounts.
    Gepe glass mounts don't have this problem: AN glass, and the proper one, not
    just the fogged glass.
    If you scan at higher than 2700ppi, you'll find it only affects the focusing
    mechanism. But I agree: I prefer to scan just the film. With an FH-3 in a 5000
    or V, it's child's play.
    Gepe ones are dirt easy to re-open, have most of my older slides in them.
    Noons, Jan 13, 2009
  8. Annika1980

    D.Mac Guest

    If the film is stuck to the glass, soaking the whole thing in wetting agent
    or "comprox" detergent overnight will free the film from the glass and you
    can dry it by normal means and get a clean scan of it.

    Here's a little trick I learnt in 1962.
    When you assemble a glass slide holder, there is some human body fat in the
    grove between your nose and your cheek. You can drag your finger down this
    groove and get a nice amount of the stuff to rub on the glass where it
    touches the film and prevents newton rings and the texture of the glass from
    being a problem for many decades.

    If the scan is going to be enlarged, I'd suggest you do this as the time
    between when the slide was assembled and now will almost guarantee a coating
    on the glass that will interfere with a quality scan.

    In 2006 I spent a month or two doing this with some B&W slides of rain
    forest timber being harvested by hand and horse drawn to the steam mill.
    Exceptional enlargements well beyond the original film's capability are now
    adorning the walls of the board room of one of Queensland's rare timber

    D.Mac, Jan 14, 2009
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