Mixed
Does blue light have a shorter or longer wavelength?
Shorter
What is the main purpose for a hydrophobic coating lens?
Reduces fogging (rain, condensation, sweat)
What is the anti static coating also known as?
Electrostatic dissipative coating( ESD coating )
UV radiation ranges from around 100 to 380nm and is divided into the three groups, what are the three groups ?
UVC, UVA,UVB
How can you determine if a lens is polarised?
hold one polarised lens 90 degrees to another polarised lens, and it will block the light.