There is a thread (now closed) on another forum containing a complaint from a consumer. The nub of his complaint is that his PAL's were costly (the optician called them "the best"), and therefore shouldn't have scratched. This is like saying that you should be able to drive your Rolls into a wall without damage because, like, you paid a lot. Zeiss lenses aren't harder than other brands, whatever their design virtues may be.
The familiar variant of this is the plaintive, wide-eyed question, "How could these lenses have gotten scratched?". Well, only one way; something harder than the lenses was brought into repeated contact with them. The science isn't complicated, so why does the question need asking? And why do intelligent people pretend to be stupid?
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