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AR15.COM
3/11/2015 2:04:27 PM EDT
I have a question what is the scope reticle called that does not change point of impact when I change scope zoom
3/11/2015 2:05:56 PM EDT
[#1]

I think you're thinking of first focal plane.
3/11/2015 2:09:41 PM EDT
[#2]
3/11/2015 2:12:34 PM EDT
[#3]
Third post nailed it.  TPNI.

It doesn't get easier to explain than that.

3/11/2015 2:15:05 PM EDT
[#4]
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Quoted:
Third post nailed it.  TPNI.

It doesn't get easier to explain than that.
View Quote

You're assuming that is the question. Which is probable, but debatable.
3/11/2015 2:15:51 PM EDT
[#5]
Neither should change POI appreciably. That would be a faulty scope.

Changing size of reticle relative to target size is described well in the illustration above.
3/11/2015 2:17:38 PM EDT
[#6]
Quote History
Quoted:
Neither should change POI appreciably. That would be a faulty scope.

Changing size of reticle relative to target size is described well in the illustration above.
View Quote


Pretty much this.
3/11/2015 2:25:54 PM EDT
[#7]
Parallax free.
3/11/2015 2:28:53 PM EDT
[#8]
Quote History
Quoted:
Neither should change POI appreciably. That would be a faulty scope.

Changing size of reticle relative to target size is described well in the illustration above.
View Quote

My first post was a smartass one to that effect, but I was giving him the benefit of the doubt that he wasn't necessarily aiming using the center of the reticle.
3/11/2015 2:29:53 PM EDT
[#9]
Quote History
Quoted:
Third post nailed it.  TPNI.

It doesn't get easier to explain than that.

View Quote

You are the third post.
3/11/2015 2:31:03 PM EDT
[#10]
Pezboytate does a great piece of work in this discussion.

It's his graphic, and it's awesome.
3/11/2015 2:31:21 PM EDT
[#11]


Quote History
Quoted:



Third post nailed it.  TPNI.





It doesn't get easier to explain than that.





View Quote

Using the FPNI rule, the SPNI it.  Yours is the "third post."





Edit:  damn, beat.





 

3/11/2015 2:34:11 PM EDT
[#12]

Quote History
Quoted:


Third post nailed it.  TPNI.



It doesn't get easier to explain than that.



View Quote
'13ers!!!



 
3/11/2015 2:34:23 PM EDT
[#13]
Quote History
Quoted:

My first post was a smartass one to that effect, but I was giving him the benefit of the doubt that he wasn't necessarily aiming using the center of the reticle.
View Quote View All Quotes
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Quote History
Quoted:
Quoted:
Neither should change POI appreciably. That would be a faulty scope.

Changing size of reticle relative to target size is described well in the illustration above.

My first post was a smartass one to that effect, but I was giving him the benefit of the doubt that he wasn't necessarily aiming using the center of the reticle.


Always made me go when adj zoom scopes had SFP reticles that had the aiming hash marks below the center. So, your reticle is only good at one magnification??? Really? Mechanical engineer come up with that idea all by himself?
3/11/2015 2:36:05 PM EDT
[#14]
Quote History
Quoted:


Always made me go when adj zoom scopes had SFP reticles that had the aiming hash marks below the center. So, your reticle is only good at one magnification??? Really? Mechanical engineer come up with that idea all by himself?
View Quote View All Quotes
View All Quotes
Quote History
Quoted:
Quoted:
Quoted:
Neither should change POI appreciably. That would be a faulty scope.

Changing size of reticle relative to target size is described well in the illustration above.

My first post was a smartass one to that effect, but I was giving him the benefit of the doubt that he wasn't necessarily aiming using the center of the reticle.


Always made me go when adj zoom scopes had SFP reticles that had the aiming hash marks below the center. So, your reticle is only good at one magnification??? Really? Mechanical engineer come up with that idea all by himself?

Na, probably marketing.
3/11/2015 2:39:00 PM EDT
[#15]
Quote History
Quoted:


Always made me go when adj zoom scopes had SFP reticles that had the aiming hash marks below the center. So, your reticle is only good at one magnification??? Really? Mechanical engineer come up with that idea all by himself?
View Quote View All Quotes
View All Quotes
Quote History
Quoted:
Quoted:
Quoted:
Neither should change POI appreciably. That would be a faulty scope.

Changing size of reticle relative to target size is described well in the illustration above.

My first post was a smartass one to that effect, but I was giving him the benefit of the doubt that he wasn't necessarily aiming using the center of the reticle.


Always made me go when adj zoom scopes had SFP reticles that had the aiming hash marks below the center. So, your reticle is only good at one magnification??? Really? Mechanical engineer come up with that idea all by himself?


When will you need to drop that far?
When you're aiming at something far away.
What else might you do when aiming at something far away?
Set the zoom to its maximum.
3/11/2015 2:42:02 PM EDT
[#16]
Quote History
Quoted:

Na, probably marketing.
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Quote History
Quoted:
Quoted:
Quoted:
Quoted:
Neither should change POI appreciably. That would be a faulty scope.

Changing size of reticle relative to target size is described well in the illustration above.

My first post was a smartass one to that effect, but I was giving him the benefit of the doubt that he wasn't necessarily aiming using the center of the reticle.


Always made me go when adj zoom scopes had SFP reticles that had the aiming hash marks below the center. So, your reticle is only good at one magnification??? Really? Mechanical engineer come up with that idea all by himself?

Na, probably marketing.


While true, they typically make it easy adjustments at normal use zooms. Like if it's a 4-14, hashmarks are 1 mil/moa at 9x, 2 mil/moa at 4x and 1/2 mil/moa at 14x (or similar, this is just an example.)
3/11/2015 2:42:31 PM EDT
[#17]
Quote History
Quoted:


When will you need to drop that far?
When you're aiming at something far away.
What else might you do when aiming at something far away?
Set the zoom to its maximum.
View Quote View All Quotes
View All Quotes
Quote History
Quoted:
Quoted:
Quoted:
Quoted:
Neither should change POI appreciably. That would be a faulty scope.

Changing size of reticle relative to target size is described well in the illustration above.

My first post was a smartass one to that effect, but I was giving him the benefit of the doubt that he wasn't necessarily aiming using the center of the reticle.


Always made me go when adj zoom scopes had SFP reticles that had the aiming hash marks below the center. So, your reticle is only good at one magnification??? Really? Mechanical engineer come up with that idea all by himself?


When will you need to drop that far?
When you're aiming at something far away.
What else might you do when aiming at something far away?
Set the zoom to its maximum.


Same goes for measuring features. So, you mil something and set your clicks only you forgot to dial the zoom to the correct setting so your measurement is off.

It's a stupid thing. That's why there was a company whose main business was fixing Leupy scopes and putting the reticle in the SFP, until Leupold screwed them.
3/11/2015 2:50:25 PM EDT
[#18]
Quote History
Quoted:


Same goes for measuring features. So, you mil something and set your clicks only you forgot to dial the zoom to the correct setting so your measurement is off.

It's a stupid thing. That's why there was a company whose main business was fixing Leupy scopes and putting the reticle in the SFP, until Leupold screwed them.
View Quote View All Quotes
View All Quotes
Quote History
Quoted:
Quoted:
Quoted:

Always made me go when adj zoom scopes had SFP reticles that had the aiming hash marks below the center. So, your reticle is only good at one magnification??? Really? Mechanical engineer come up with that idea all by himself?


When will you need to drop that far?
When you're aiming at something far away.
What else might you do when aiming at something far away?
Set the zoom to its maximum.


Same goes for measuring features. So, you mil something and set your clicks only you forgot to dial the zoom to the correct setting so your measurement is off.

It's a stupid thing. That's why there was a company whose main business was fixing Leupy scopes and putting the reticle in the SFP, until Leupold screwed them.


Well don't do that
3/11/2015 2:55:55 PM EDT
[#19]
A good scope.

You get what you pay for.....
3/11/2015 3:08:31 PM EDT
[#20]
With FFP reticles you can range at any magnification.    

With SFP reticles you can only range at a specific magnification.


3/11/2015 3:11:13 PM EDT
[#21]


Quote History
Quoted:
Always made me go when adj zoom scopes had SFP reticles that had the aiming hash marks below the center. So, your reticle is only good at one magnification??? Really? Mechanical engineer come up with that idea all by himself?
View Quote View All Quotes
View All Quotes
Quote History
Quoted:





Quoted:




Quoted:


Neither should change POI appreciably. That would be a faulty scope.





Changing size of reticle relative to target size is described well in the illustration above.



My first post was a smartass one to that effect, but I was giving him the benefit of the doubt that he wasn't necessarily aiming using the center of the reticle.






Always made me go when adj zoom scopes had SFP reticles that had the aiming hash marks below the center. So, your reticle is only good at one magnification??? Really? Mechanical engineer come up with that idea all by himself?
It's the fault of lazy optical engineers.

 








 
3/11/2015 3:11:58 PM EDT
[#22]

Quote History
Quoted:
When will you need to drop that far?

When you're aiming at something far away.

What else might you do when aiming at something far away?

Set the zoom to its maximum.
View Quote View All Quotes
View All Quotes
Quote History
Quoted:



Quoted:


Quoted:


Quoted:

Neither should change POI appreciably. That would be a faulty scope.



Changing size of reticle relative to target size is described well in the illustration above.


My first post was a smartass one to that effect, but I was giving him the benefit of the doubt that he wasn't necessarily aiming using the center of the reticle.




Always made me go when adj zoom scopes had SFP reticles that had the aiming hash marks below the center. So, your reticle is only good at one magnification??? Really? Mechanical engineer come up with that idea all by himself?




When will you need to drop that far?

When you're aiming at something far away.

What else might you do when aiming at something far away?

Set the zoom to its maximum.
Unless it's low light and you'd like to see it.

 
3/11/2015 3:12:17 PM EDT
[#23]
Quote History
Quoted:
Third post nailed it.  TPNI.

It doesn't get easier to explain than that.

View Quote

13ers
3/11/2015 3:26:08 PM EDT
[#24]
thank you that helps alot