You have to work with the position of the lightning to see the edge of the diamond cut.
With bad light you cannot adjust the correct SRA.
http://orangeaudio.de/temp/mimc2.jpg
Here with a flashlight that i have moved so long until i could see the edge.
http://orangeaudio.de/temp/mimc_sra.jpg
With bad light you cannot adjust the correct SRA.
http://orangeaudio.de/temp/mimc2.jpg
Here with a flashlight that i have moved so long until i could see the edge.
http://orangeaudio.de/temp/mimc_sra.jpg