Sax on the Web Forum banner

1 - 6 of 6 Posts

·
Distinguished SOTW Member
TENOR, soprano, alto, baritone
Joined
·
7,409 Posts
'Good golly, Miss Molly - sure likes to ball!'

Well, I guess my eyes are toast because I have spent many hours on stage with 'black light' (ultraviolet light) making all the 'dayglo' colors light up.
 

·
Registered
Joined
·
573 Posts
I seen a repairman using a blue leak light a few months ago and then I read some different things about blue light.
I'm adding this post so you can be aware of it https://www.sciencealert.com/how-blue-wavelengths-light-affect-retinal-cell-tissues-eye-disease
You will make him a big favour to inform him that he damages his eyes.
There is no need for blue light and what it is actually used in laboratories to measure flatness and parallelism of contact surfaces is yellow to orange. What is more important is that the light source is monochromatic. Nowadays there are lot of leds that can be used for that.

Interestingly Philips made a research in blue light therapy and even created a product
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4758137/

https://www.google.com/url?sa=t&rct...l%20v1.1.pdf&usg=AOvVaw0wdIaLXcwNjniNYRVDfK1_
 
1 - 6 of 6 Posts
Top