:smug: I am learning the double sphere method. If I have plano@ 45, +1.00@ 135 and take into account my working distance, what would the Rx be? I have also drawn this out on a power cross, but I am...
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:smug: I am learning the double sphere method. If I have plano@ 45, +1.00@ 135 and take into account my working distance, what would the Rx be? I have also drawn this out on a power cross, but I am...