Subject: Re: People Keep Walking Into Glass at Apple Park
> > > "Quite hard to see?" Maybe if you're stoned all the time. Glass reflects 4%
> > > at each surface (perpendicular rays) and a lot more at glancing angles.
> > > Hard not to actually see it.
> > nowhere near 4%.
> > if that were the case, a camera lens with multiple surfaces would be
> > nearly opaque.
> 96% uncoated, 98.5% single-layer magnesium-fluoride coated, 99% or so with
> multicoatings. Old cameras lens could (through reflection and internal
> absorption cut out 40-50% of the incoming light.
no they didn't.
> Please feel free to educate yourself further.
take your own advice.