I has been ask about the CR-27 material. Found somenthing here http://www.budgetspex.com/1.5indexstandardlenses.asp
Does anyone knows where can i find more info?
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I has been ask about the CR-27 material. Found somenthing here http://www.budgetspex.com/1.5indexstandardlenses.asp
Does anyone knows where can i find more info?