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Does higher quality glass help fight mirage?

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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: November/24/2008 at 20:55
maj paine View Drop Down
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Went out and shot to 600 yds last weekend. This was the first time I've shot beyond 300 yds since my Army days (about 3 yrs ago) when I spent a decent amount of time behind an M-24 on the Sniper Range.

Last weekend I was using a Rem 700 LTR with a Nikon BuckMaster 4.5-14x40 with 1" tube. Range conditions were much the same as I can remember they were on the Sniper Range 3 yrs ago...large, open range in a similar climate.

On the M-24 range we were using a Leupold 4.5-14x50 with 30mm tube and/or the old fixed 10x Unertl (sp?).

I don't remember the mirage being hard to see through back in those days, but rather a tool to use in estimating wind speed/direction. Last weekend trying to shoot to 600 yds was nearly impossible. If it makes any difference, there was no wind and the mirage was just boiling straight up.

My question is this...Does having higher quality glass give you an advantage in seeing through mirage (ie. Should I buy a better riflescope)? Or have I just lost touch with shooting at distance and need more practice?

Thanks In Advance,

Maj Paine

Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: November/25/2008 at 08:34
Steelbenz View Drop Down
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Better Quality glass ALWAYS under any condition makes seeing down range easier.  Now that said, the 1 inch tube means nothing in this equation. Depending on time of year, time of day, light conditions, you don't need to be at 29 palms or 116 on Pendelton to get a heavy mirage going.  But I'd like to think that Nikon has as good of glass now as an old Unertl of yesteryear.        
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: November/26/2008 at 01:39
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Yes  "you have just lost touch with shooting at distance and need more practice Cool"
And to facilitate that practice Christmas List Santa should bring you some nice glass.
( I knew that is what you wanted to hear).  The glass in the Omega and the Buckmaster really is nothing to write home about however the Monarch is pretty good as is Bushnell 4200 glass. IOR glass is very good.  My though on this is that you are trained with a tactical scope so why not select a tactical scope rather than a hunting scope.  How about a 10x Super Sniper - you could trade in the other scope and while its not the Leupold you had it's very reasonably priced. If you can spend the money you would like the IOR glass.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: November/26/2008 at 07:36
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I would think that better quality glass would make mirage even worse. You can see better and mirage is nothing magical. It is rising heated air, something which is visible. The higher the magnification, the more you see the mirage. The clearer the optics, the more you will see the mirage.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: November/26/2008 at 09:14
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Better resolution always helps. This is of course with things other than phenomena. Mirage is a phenomena. Heat rising and causing waves in the air mass is something that no scope will be able to correct. Lower mag and better resolution are the only way to fight this.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: November/26/2008 at 10:37
maj paine View Drop Down
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Thank you gentlemen for all your replies!
 
From the discussion here and on other boards as well, I've come to the consensus that having better glass (although the Nikon isn't that bad) may help brighten the target image some to make it slightly more visible through the mirage, but only marginally at best.
 
Thanks Again,
 
Maj Paine
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: March/22/2009 at 22:49
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Well. I've shot GOOD glass for awhile (IOR, NF, Mk4) and will let you know as soon as my Premier gets here.....can't wait.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: March/24/2009 at 20:29
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Maj,
What you may be seeing is a difference in barrel coatings also.  That LTR may be a bit more efficient at dissipating your barrel's heat than the paint and burlap on your M24.  You may be seeing mirage from your barrel more than mirage at, say 300.  If you had the Nikon Buckmaster 6469 with mil-dots, the side focus/parallax should be able to give you decent clarity at 600.  I wonder if there was a lot of mirage at the targets?  Dos your range have a large flat area in front of the targets?  Dam Neck does, at it can cive you fits when you shoot 500.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: March/24/2009 at 20:38
Kickboxer View Drop Down
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Originally posted by nukemmc nukemmc wrote:

Maj,
What you may be seeing is a difference in barrel coatings also.  That LTR may be a bit more efficient at dissipating your barrel's heat than the paint and burlap on your M24.  You may be seeing mirage from your barrel more than mirage at, say 300.  If you had the Nikon Buckmaster 6469 with mil-dots, the side focus/parallax should be able to give you decent clarity at 600.  I wonder if there was a lot of mirage at the targets?  Dos your range have a large flat area in front of the targets?  Dam Neck does, at it can cive you fits when you shoot 500.
How are things at NSWC these days?  Any good extreme weapons testing these days?  I used to be at NAWC.  Been to Dam Neck a couple of times.  
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: March/25/2009 at 11:07
Dale Clifford View Drop Down
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better glass makes for higher resolution and contrast, two types of mirage-- barrel and ground both thermal, larger the differential between the two media the worse the mirage, barrel mirage solved by using barrel tape like Sako, or mirage tubes like NF sells, or a good aluminum or carbon fiber handguard if you are using ar's --- ground mirage is a depth of field problem, the depth of field is being reduced by hot pockets of air bending or diffracting light rays, larger  objective lens also contribute as well as higher powers,  in bright conditions f/stop isn't important (exit pupil size) so use a butler creek or better yet a good screw in aluminum with a small hole drilled in the center. experiment with the size. some shooters prefer rectangles but this will soften the image at the corners.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: March/25/2009 at 12:31
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