Photographic negatives

Digital negative : Negatives for collotype can be realized from digital images by printing ink jet on transparent film, without quality loss  to compared with […]

Densitometric balance of films : Ideally, the densitometric balance of negatives for collotype is situated in an interval of densities included between 1,00 and 1,20. It […]

The retouch of films is not compulsory. It intervenes for particular works or when we want to obtain certain effects on the images. Film silhouetting […]

From a workshop to the other one, the reference density of negatives (I indicate here between 1,10 and 1,20) can vary. This is of in […]

PURPOSE (concern argentic negatives) : to clear up the blacks of the movie to give of the detail in the clear parts of the image […]

The main rule concerning the photographic negatives is that should have a well-balanced contrast, of a density situated 1,00 and 1,10. This value is identical […]