Objective lense coating query

[Ian Bennie]

Hi,

I've read there's different levels of anti-reflection coating that can used on objective lenses. Standard, fully coated, multi-coated and I've heard of fully multi-coated.

Does anyone know if 'fully multi-coated' is just another name for 'multi-coated'?

Thanks

[cjmarsh81]

From what I understand, Fully Multi Coated means all lenses are multi coated. If it is binos you are looking at, they may say multi coated and this may only apply to one lense. If is says fully multi-coated then it applies to all lenses in the light path.

[Ian Bennie]

Thanks for that, very helpful.

regards
IB

[MiG]

More specifically, every air glass interface should be multicoated to get the FMC designation. So for a single lens this means that the front and back should be coated.