Is there such a thing as opaque film?

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MattKing

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I think it is called "photographic paper".
But that probably isn't what you are looking for.
 
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jsmoove

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Haha yeah....I need something that offers a higher resolution like film....im not sure how much it differs in lpmm between a frame of 35mm and a 35mm "frame" of photographic paper.
 

AgX

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The films used for large transparencies in light boxes fall into two types: ones with conventional clear base, for boxes that have a diffused light emission, and films that haved an opaque (transmissive but diffuse) base, for boxes that had only bare tubes and no further diffusion means.
The latter are also good for hanging in windows (UV radiation aside).

Agfa recently cancelled their display films, but Kodak Alaris and Fuji still offer them.
 
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markbarendt

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As I understand paper does offer very high resolution, every bit as good or better than film. The limits of resolution are generally more limited by physical size, small films are magnified onto large paper so the viewed resolution changes. This is why large, say 8x10 contact prints, show so much more detail than 35mm film enlarged to fit 8x10 paper. Another limit is the lens in play.
 
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jsmoove

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@AgX I've never heard of display films....can you link an article to them? I cant seem to find anything. @markbarendt Are there certain papers that are a higher resolution over others? So im wondering if I load a piece of photo paper into a 35mm camera (as a sortof paper negative) how much would the quality differ from a film negative?
 

bdial

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As I recall, paper's resolution is less than film, though I don't know by how much. There are some old discussions on this somewhere in here.
But the bigger problem with regard to getting detail from a paper neg that is contact printed to make a positive is the paper substrate, not the emulsion.
That said, paper is capable of showing fine detail. It's easy to test, RC glossy will give you the best result.
 
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jsmoove

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@darkroommike Thankyou! So im confused though, this stuff can be printed on with a laser printer and used chemically with this RA-4 process? ?
 

AgX

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You find display films
-) at Kodak Alaris under "Professional Photographers" , then under "Labs" and then under "Display".
(Yes, wouldn't I have known that these once existed I would not have found them...)

-) at Fuji under"Photofinishing" and then under "Paper".

These all are RA-4 films
 

lonelyboy

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There is opaque film leader used in motion picture film processing equipment. The film is opaque and it leads the film needed to be processed into the film processing machine.
 

AgX

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No, that is just a perforated strip of plastic.
Think of film base as such, but white or coloured and perforated. Such strips are use as leader- and end-strips for small gauge cine fim and maybe as processing leaders as such. They carry no emulsion.
 
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jsmoove

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@AgX So what im wondering is, can you get emulsion on a white polyester base, or something opaque? The display films have emulsion right?
 

AgX

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All the information you seek you will find at the sources I hinted at above.
 

bdial

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There isn't a lot of reason for some of the display materials discussed to be engineered for 35mm cameras, since such small images wouldn't be compatible with the intended purpose, generally.
That wouldn't preclude you from cutting a sheet of it to fit, but you're probably limited to just one exposure at a time, unless it's thin enough to wrap around spools and you work with a camera that doesn't use the sprocket holes to move the film. I'm not sure if any such cameras exist.

It may help if you can summarize what you want to accomplish as an end result, and folks might be able to point you to alternative methods.
 

AgX

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Well, there even was 35mm perforated photographic paper offerd by Agfa until some decades ago. But indeed it was not intended for use as type 135.

As a side note: in WWII there was even camera film emulsion coated on paper by lack of film base (though not in Germany).
 
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jsmoove

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@AgX Thanks...interesting..! @bdial Yeah, cutting it would have to be the way. I was curious after looking at the filmlab app (http://filmlabapp.com/) if you could skip having a light-table, and instead just have an opaque back on your film, not sure if itd work..?
 

AgX

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Well, that is the idea of diffuse display film. The third version with reflective base, you hinted at above, would not work for two reasons.
Furthermore 35mm film images should not looked at lying on a light table, but in a viewer or in projection. A light table should only be used for sorting.
 
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jsmoove

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@AgX Im curious about using this filmlab app specifically, but without a light source....so this diffuse display film (same fuji stuff as above?) would work?
 
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jsmoove

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@AgX Think it would work with the display film, to retrieve an image using the filmlab app?
 

AgX

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I do not own a smart telephone, thus I have no idea what a filmlab app is.
 
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