S subarc boy Member Messages 54 Sep 27, 2018 #1 are the lower numbers weaker and the higher numbers stronger ?
anto44 Member Messages 1,832 Location ireland Sep 27, 2018 #2 Yeah the higher the number the darker the lense is
Richard. Member Messages 18,347 Location Cambridgeshire Oct 16, 2018 #3 subarc boy said: are the lower numbers weaker and the higher numbers stronger ? Click to expand... Yeah it’s level of darkness rather than weaker and stronger. The arc rays cannot penetrate the screen no matter what shade you use but going too light can strain your eyes. Chose the darkest shade you can comfortably get away with
subarc boy said: are the lower numbers weaker and the higher numbers stronger ? Click to expand... Yeah it’s level of darkness rather than weaker and stronger. The arc rays cannot penetrate the screen no matter what shade you use but going too light can strain your eyes. Chose the darkest shade you can comfortably get away with