WolfSpring
TPF Noob!
- Joined
- Oct 11, 2007
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I am confused on the two F stop of a 2X tele. I was explained today that it would take a F6.5 and go to 8(1 step) then 11 (2nd step) Can someone explain that to me. I understand F-stop, I understand why the tele does this, what I don't understand is how that is two f-stops?