I've done a basic search on the net but to no avail! Can anyone help?
G Galaxy Member Mar 9, 2004 #3 Ok then, does anyone know the filtration calibration for these glasses? I have a box full of CC filters at work, all I need to know is the values? Best regards David
Ok then, does anyone know the filtration calibration for these glasses? I have a box full of CC filters at work, all I need to know is the values? Best regards David
G Galaxy Member Mar 10, 2004 #6 BLIMEY!!!! I didnt realise they were that dense! got a pair of 50's here, very dark, must'nt tread on the cat tonight
BLIMEY!!!! I didnt realise they were that dense! got a pair of 50's here, very dark, must'nt tread on the cat tonight