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  1. Replies
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    Re: Rollei Ortho plus 25 - reciprocity

    Thanks paulbarden,

    I will try a roll first, with the correction suggested by Rollei in the RPX 25 datasheet.

    I will post my results soon!
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    Re: Rollei Ortho plus 25 - reciprocity

    The use of prism or CD sounds a good idea!Thanks!

    The film i want to use it in the field.
    Mostly for landscapes and architecture.
    Sometimes in deep shadows or a little while after sunset, i...
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    Rollei Ortho plus 25 - reciprocity

    Hello.

    I can not find any data about the reciprocity of this film.

    Because it is low ISO, i think they are necessary for low light conditions.
    I consider to give it a test for reciprocity with...
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    Re: Shooting Rollei IR WIth IR Unsafe Bellows

    Hello.
    I am using a lot of years the Shen Hao HZX 45 with bag and normal bellows without problems, even under bright sunlight and long exposures 2 - 4 minutes.
    Recently, with Sinar X, both with...
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