little Helpers

		This calculating tool is a utility • to determine the required projection lens (1) • the required size of an element on the slide (2) • the projection distance on given picture size (3) • the reached picture size on given projection distance (4) Fill in the mentioned values and press the button in the respective field at the buttom left.

		This calculating tool is a utility • to determine the required projection objective lens and • the max. width of the projection.

		Here you find electronic slide templates (18x18cm and 24x24cm) as an utility to get useful printable or exposable data files in a short time. Insert the desired picture in the right size The template is provided for a printing or exposing resolution of 400 respectively 300 pixel/inch. This causes satisfying results in projection, depending of the projection surface. Note the labellings!