1. Is there a way to determine it power?
2. What is the adjustable part in the center of the scope (number 0 -12)?
3. Can the date of manufacture be determined (SN 1556)?
Dimensions are: 22" long, 1.27" objective, .91" ocular, .75" tube
--TIA
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1. Is there a way to determine it power?
2. What is the adjustable part in the center of the scope (number 0 -12)?
3. Can the date of manufacture be determined (SN 1556)?
Dimensions are: 22" long, 1.27" objective, .91" ocular, .75" tube
--TIA
I believe the center adjustment is for parallax.
No answers on your other two questions.