Eénmalige positieve beelden verkregen zonder intermediair negatief. (Project Fotografie) [[en]] Positive-image photographs produced in the camera without the intervening use of a negative, or produced by a positive-to-positive process. (Project Fotografie)Eénmalige positieve beelden verkregen zonder intermediair negatief. (Project Fotografie) [[en]] Positive-image photographs produced in the camera without the intervening use of a negative, or produced by a positive-to-positive process. (Project Fotografie)