prism rings i have read 58/7-5,6 what does these readings specify.help me out
prism rings i have read 58/7-5,6 what does these readings specify.help me out
58/7 is certainly diameter and height (in mm), 5.6 most probably the prism angle in degree (or diopter in tool index).
thank u even i thought about it any i will blocl with them few lenses for trial and based on out put we should know better.
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