I was looking at tail fin lenses and found two options.
With "guide markings" and for about half that price, without.
Can someone explain what they are?
Thanx
(My '62 Superior uses 1960 lenses)
With "guide markings" and for about half that price, without.
Can someone explain what they are?
Thanx
(My '62 Superior uses 1960 lenses)