Supplement set for BRESSER Microscopycamera Supplement for the Microscopycamera to create an imaging system for the experiment to demonstrate the normal Zeeman effect. A red filter, which can be clipped onto the focussing lens of the Microscopy camera, selects the wavelength of the red cadmium line. An aperture optimises the depth of field. Holder: Dimensions not including rod and threaded sleeves: approx. 80x85x10 mm3 Diameter of rod: 10 mm Height from end of rod to optical axis: 150 mm Red filter: Diameter: approx. 41 mm Thickness: 3 mm Aperture: Aperture: 2.2 mm