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Thread: Ortho film and continuous tone

  1. #1

    Ortho film and continuous tone

    I'm a newbe in LF. I saw that Ortho films are cheaper than panchromatic films.
    Is it possible to shoot with orto films and to get similar results like a conventionnal film.

    What's a good combo to start? Film and developper.

    I want to use a 11 x 14 Seneca View Camera.

    Thank you

  2. #2
    Jac@stafford.net's Avatar
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    Re: Ortho film and continuous tone

    No. Not really.

  3. #3
    Andy Eads
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    Pasco, Washington - the dry side of the state
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    Re: Ortho film and continuous tone

    Orthochromatic films are "red blind", that is they are insensitive to the visible red region of the spectrum. If you photograph a person with reddish skin blemishes or ruddy skin, the features will appear darker than they would with a panchromatic film. On the other hand, a blue sky with wispy clouds may appear featureless and too light with ortho film. Another consideration is that some ortho films are designed for high contrast results. So you need to understand the particulars about the emulsion you are considering. With all this in mind, there are many subjects that lend themselves to ortho films. Have fun!

  4. #4

    Join Date
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    3,326

    Re: Ortho film and continuous tone

    Skies can blow out a bit and skin tones can darken with orthochromatic films, this is true, but depending on how you expose and process ortho films some of these effects can be mitigated. By way of example I've attached two shots below, one taken outdoors and one indoor portrait, both shot with the same blue-sensitive aerial film.








    Jonathan

  5. #5
    Bill Kostelec
    Join Date
    Oct 2013
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    Spokane, Washington
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    152

    Re: Ortho film and continuous tone

    Norm: I have had good results making continuous tone negs with ortho X-Ray film. Ortho is sensitive to both blue and green which has the added advantage of developing by inspection with a red safelight. It isn't the same as panchro for sure but it is very useable.

  6. #6

    Re: Ortho film and continuous tone

    Thank you. It's interesting.

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