http://ift.tt/1MAR3Hu
By our own Barry Santini.
There is one small, slight error in the article, citing drop ball size for street/dress eyewear, it should read 5/8" steel ball. The 1" is reserved for Z87 (safety) lenses.
"A New Dawn for Glass Lenses"
By our own Barry Santini.
There is one small, slight error in the article, citing drop ball size for street/dress eyewear, it should read 5/8" steel ball. The 1" is reserved for Z87 (safety) lenses.
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