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1st Focal Plane Reticle

 
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  #8  
Old 03-26-2010, 11:11 AM
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Re: 1st Focal Plane Reticle

Ranging with an MOA reticle:

Size of your target in inches divided by how many minutes it covers. Then X 100.

If a 28" bull elk chest (top to bottom) takes up 7 minutes in the scope, you take 28 divided by 7 = 4 (400 yards).
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  #9  
Old 03-26-2010, 11:35 AM
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Re: 1st Focal Plane Reticle

What other scopes out there are first focal plane?

Thanks

Tom
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  #10  
Old 03-26-2010, 11:46 AM
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Re: 1st Focal Plane Reticle

For the most part with the exception of 1 or 2 Loopys and a NF, USO which is the only real US made on this continent uses them exclusively (my favorite optic). All of the Best Of Class Scopes from Europe use FFP. Not going to go into the specific merits of FFP but here are advantages.
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  #11  
Old 03-26-2010, 11:59 AM
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Re: 1st Focal Plane Reticle

Boss,

Can you please tell me about the advantages?

Thanks

Tom
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  #12  
Old 03-26-2010, 12:38 PM
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Re: 1st Focal Plane Reticle

Tom---I found this to save me a lot of typing Plus----when you have the reticle using more moving parts to keep the reticle size the same it is adding complexity and this means more can break.

Europeans prefer first plane scopes because they legally and normally hunt a lot later than we do here, and larger reticles are easier to see on a target. First plane scopes also cannot change point of impact when changing magnification because the reticle does not move. The focus for the reticle and the parallax adjustment are such that when you change the parallax setting on a first plane scope you will sometimes lose sharp focus of your reticle. Therefore, most European scopes have a fast-focus eyepiece. This is for the reticle and nothing else. Most European scopes are also built on 30mm tubes, many of them steel instead of aluminum. They are in general bigger and heavier than their American counterparts.

First plane scopes with rangefinding type reticles may be used at any power. European glass is second to none. Second plane scopes or "American" scopes are smaller and lighter and can have point of impact change when changing magnification, and many of them, especially less expensive ones certainly do. The parallax setting on second plane scopes has nothing to do with the reticle focus, so fast-focus eyepieces are a matter of convenience and pretty much a useless feature. Set it once properly at high power and leave it forever. Second plane scopes also have a smaller appearing reticle on the target at high power than low power, which is extremely important for precise shot placement. Second plane scopes with rangefinding type reticles are designed to be used at one power only. BDC reticles are not excluded from this. Traditionally, second plane scopes are one inch, but 30mm tubes are gaining popularity rapidly. Most people think that the larger tube offers a brighter image, but this is not true, although it may in some cases offer better resolution. Steel scopes are a thing of the past here. Also, all of our glass is imported, with no exceptions I am aware of on magnified scopes."
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  #13  
Old 03-26-2010, 12:52 PM
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Re: 1st Focal Plane Reticle

Thanks Boss.

Lots to think about!

Tom
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  #14  
Old 03-26-2010, 01:13 PM
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Re: 1st Focal Plane Reticle

Thanks Don!

That seems a lot easier than using Mils. I'm going to have to search the net and see what i can find on this now.
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