is a measure of reflected light in a square foot area. A typical 27" consumer TV set will produce about 30 foot Lamberts of light output before going into blooming. A 27" TV set I once owned produced about 187 foot Lamberts in the factory reset mode. It had to be pulled down to about 27 foot Lamberts to get it out of blooming. A well designed two piece home theatre projection system should produce about 10 to 11 foot Lamberts in its linear operating range when it is new. Many 32 to 36 inch sets won't produce much over 15 foot Lamberts in their linear operating condition. High resolution computer monitor are also not capable of much light output if you want to take advantage of their real resolution capability.