I have a set of lenses that came into the office today. Both are marked with YR1 lens style the right with a BR add notation and the left with a BL add notation. Anyone know what PAL this is and what the adds mean?
I have a set of lenses that came into the office today. Both are marked with YR1 lens style the right with a BR add notation and the left with a BL add notation. Anyone know what PAL this is and what the adds mean?
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