One drawback is the amount of color light output (color brightness) is not at the same level as white light output - for more details read my article: Video Projectors and Color Brightness.
Otu nzaghachi bụ ọnụọgụ ọkụ na-acha ọkụ (nchacha agba) adịghị n'otu ọkwa dị ka ihe ọkụ ọkụ - maka nkọwa ndị ọzọ gụọ ihe m na-ekwu: Ihe ngosi vidio na Ịcha Mma .