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  1. #21

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    An inexpensive technique uses a sheet of plywood covered with plastic sheeting and a sprayer to apply diluted chemicals and a garden hose for washing. Process with the plywood against a wall and tape the paper to the plastic sheeting.

  2. #22
    Ian Grant's Avatar
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    Quote Originally Posted by momus View Post
    I don't understand how anyone is going to expose a negative on an enlarger to get the dimensions I see talked about here, so I can only assume they're talking about composite images? No enlarger/ enlarger lens can do the dimensions I see here w/ one exposure. None that I know of anyway.

    A properly made 8x10 photo has more value than a huge photo mural, all things being equal. I mean it's artistic value. Who on earth is going to buy a huge photo mural anyway? You need a huge home to display it in. Unless it's from a known artist or photographer, it wouldn't sell anyway. This is a far better job for a painting or a drawing. Horses for courses.
    You can make any size enlargement you want particularly if you have a horizontal enlarger 40"x50" is not really that large. Mostly murals or large images are/were for commercial display not putting in a domestic house.

    Ian

  3. #23

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    Well you can still get long wide rolls of colour paper seen them remaindered, 18m ago, and may be able to special order mono.

    I've done 4xoverlapping 16x20 in bath ( no trays) with sponges and tempered pails and guillotined and joined them for 30x38 nominal, the distortion was not too noticeable even with simple triplet.

  4. #24

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    I wonder if the OP has now got sufficient information to finish writing his assignment?

  5. #25
    paul_c5x4's Avatar
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    Quote Originally Posted by Ian Grant View Post
    You can make any size enlargement you want ...
    The only limitation on making a single enlargement is the size of paper available. I have a couple of one metre wide rolls sitting in the fridge, but lack sufficient space and suitable trays.

  6. #26
    Sirius Glass's Avatar
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    For 30"x40" [76.2 cm x 101.6 cm] and larger I use http://www.goldencolor.com/ where they can do large prints and murals with optics only, no digital work. There darkroom has horizontal enlargers with a vacuum wall that hold the paper flat against it. They have printed 60"x60" [152.4cm x 152.4 cm]prints from a 35mm negative for me.
    Warning!! Handling a Hasselblad can be harmful to your financial well being!

    Nothing beats a great piece of glass!

    I leave the digital work for the urologists and proctologists.

  7. #27

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    You could take a cell phone shot to any outdoor advertising company and they could turn it into a billboard somebody could see half a mile
    away.

  8. #28

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    And the surprising thing for me about billboards (in the "old days" at least) was the low overall resolution needed. The "dots" are pretty huge !

    Actually, I have just recalled that I have seen adverts here (NL) for turning digital photos in to wallpaper. Not for use on a computer-screen, but a series of 30" wide rolls for an indoor wall! I haven't seen the final output quality of that product, but it is certainly digitally printed in some way and keeping the joins straight might get annoying very quickly.

  9. #29

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    Have you ever noticed how abominably unsharp most of these giant "art" prints are? Then they refer to "normal viewing distance". Yeah...
    from half a mile away, just like a billboard. But if you want to splice big fiber prints into a single image, the technique is a lot like hanging
    wallpaper, just fussier. But most wallpaper patterns are more interesting than a lot of these big prints nowadays.

  10. #30

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    Deville is offering a system to develop large prints by rolling them back and forward from one roll to another. I’ve found only the French version of a leaflet on their homepage.

    http://www.plastique-deville.com/fil...e_bobinoir.pdf

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