Transparent screen in holder

For displaying images of optical instruments on a semi-transparent screen, model of a microscope, telescope or pinhole camera (camera obscura);
translucent screen in optics holder
Dimensions of the screen: 70 x 60 mm
Dimensions: approx. 90 x 17 x 98 mm
Material of the optics holder: Polyamide glass fiber reinforced, black
Weight: approx. 40 g