Additive and Subtractive Primaries


PIRA Classification: 6F10.19

Description: A slit and its negative (a slat) is placed on the overhead. A diffraction grating is is placed in front of the overhead lens, resulting in the production of two spectra: one 'normal' and the other containing colors such as magenta and cyan.

Special Instructions: None

Ideally For: Phys 1102, 1202, 1402

Condition: Ok

Setup time: 1 minute

Safety Issues: None