Supervisory template

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As opaque document refers to the starting material of Photography , the reprographics and prepress, which is not transparent and can be used only with reflected light for the further process. This includes, for example, photos, prints, paintings and drawings. A distinction is made between rigid and flexible reflective templates.

The cameras and scanners can only use the light reflected from the original. When taking pictures, particular attention must be paid to good lighting and avoiding annoying reflections and reflections. The use of polarized light by means of polarizing filters on the light source and the camera can help .

The opposite is a transparency , for example a slide .