Mostly what was said above. General rule of thumb is low mag means it is not needed. Parallax adjustment only really comes into it with larger magnifications (think 9x and above) If 3-9 etc not...
Type: Posts; User: timattalon
Mostly what was said above. General rule of thumb is low mag means it is not needed. Parallax adjustment only really comes into it with larger magnifications (think 9x and above) If 3-9 etc not...