Anyway, I have this 1.8 while waiting to pay me 1.4 so I do not see the point to 15 in a sun visor. Allow one week and a half for the delivery, but no complaints about the product. Packaged very well, certainly it's plastic but perfectly done its job and for the price one can ask for.
Was already said, but I confirm feasibility of the cap, set the visor backwards for storage. I recommend.