Reflectivity loss since 1994?
Posted 17 February 2013 - 09:58 PM
If it was 93% reflectivity when new in 94, what would it be now and is there some formula or rule to figure out an estimate?
Posted 17 February 2013 - 11:05 PM
You probably have enhanced coatings if they were 94% so that would put you at 19 years. Maybe one more year to go before they are due!
Posted 19 February 2013 - 12:48 PM