The color filter is suitably color dense and reasonably color correct according to international standards.
The filter can be cut out in an overhead suitable format A4 or in e.g. 6 x 6 cm for student use.
Color: primary red.
The color filter is suitably color dense and reasonably color correct according to international standards.
The filter can be cut out in an overhead suitable format A4 or in e.g. 6 x 6 cm for student use.
Color: primary red.