direct illumination
1.Open the Luma Server rollout in Brazil r/s and under Direct Illumination, enable the Skylight option.
2.I copied a reproduction of the silverpoint using a homemade epidiascope based on a small circular concave mirror and direct solar illumination, and when I deliberately “bumped” my own epidiascope, I found such a mismatch to be very conspicuous.
3.A method for measuring TTS of photomultiplier with Cherenkov lightproduced by direct gamma ray illumination on glass windowis presented and theexperi mental result for fine-mesh R5924 is given.
5.Compared with direct ophthalmoscope, binocular indirect ophthalmoscope has many special advantages owing to its unique illumination system and principle of formation of image.
