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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: March/05/2011 at 17:36
scottb View Drop Down
Optics GrassHopper
Optics GrassHopper


Joined: January/21/2011
Location: phoenixbygodaz
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Hello and first off thanks to everyone for the advice and suggestions on Eotech over Aimpoint, I've decided to go with an Aimpoint. Second I would like to say thanks to all of you for your great posts on this forum, I recently purchased a vortex viper 6.5-20x50 scope. And like everyone here said it would be it's a great scope, problem is I don't know why. So having said that my question is, Is there a tutorial thread? Maybe one with pics? I know what  ocular lenses are, turrets, and exit pupil. Where I get lost is when the discussion turns to FFP or SFP and what pray tell are erectors and what do they do? I am sure the thread I am looking for exists, I just don't know where. Thank you all again for allowing those of us not "in the know" to pick your brains.Excellent  S.B.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: March/05/2011 at 19:17
308 Sav View Drop Down
Optics Journeyman
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Joined: July/18/2010
Location: Kentucky
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OK FFP Vs SFP

First Focal Plane : the retical stays the same size in relationship to the target size. Example: A FFP Mil dot scope the distance from one dot to the next will always cover 1 mil no matter what the power is set on the scope. Easiest way to tell is if the retical gets smaller to your eye as you crank down power or larger as you increase power. But it still is covering the same amount of the target.

Second Focal Plane: The retical stays the same size to your eye as you increase or decrease the power of the scope. Your Viper is second focal plane. If you have a ranging retical such as a mil dot scope they are set to be true at only one magnification range.

Erector: It is what you move around inside your scope with your elevation and windage and such you do not really need to know what all it is.

I am sure someone could give you a more detailed explanation.


Edited by 308 Sav - March/05/2011 at 19:18
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: March/05/2011 at 20:03
koshkin View Drop Down
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Dark Lord of Optics

Joined: June/15/2004
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How is this for a tutorial:


It is kinda long and sometimes a bit basic, but it is a start.

ILya


Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: March/05/2011 at 21:55
scottb View Drop Down
Optics GrassHopper
Optics GrassHopper


Joined: January/21/2011
Location: phoenixbygodaz
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Points: 26
Exactly what I was looking for thank you both very much. SBYippee
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