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11-24-2017, 12:23 PM
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Join Date: Mar 2011
Posts: 1,573
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Leupold CDS
For the guys using the Leupold CDS scope, how is the repeatability in cold weather?
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11-24-2017, 12:38 PM
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Join Date: Nov 2013
Location: Manitoba
Posts: 1,529
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The simple answer is the same as in hot weather.
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11-24-2017, 12:44 PM
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Join Date: Dec 2008
Location: Camrose
Posts: 45,141
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That would depend on how the temperature effects the load. If the velocity changes significantly, the zero can change, as well as the trajectory. Both of those things can effect the points of impact at various distances.
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11-24-2017, 03:48 PM
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Join Date: Jan 2013
Location: onoway, Ab
Posts: 6,993
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When I chrono my loads for the cds I do it when it is below 0 to replicate hunting conditions. I chrono ten shots then send Korth the average.
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11-24-2017, 05:46 PM
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Quote:
Originally Posted by cowmanbob
For the guys using the Leupold CDS scope, how is the repeatability in cold weather?
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The ones that I use, which is three are not effected by cold weather. So that would be the answer to your question. There is another thread going on how cold temps can effect your load.
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11-24-2017, 05:49 PM
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Join Date: Nov 2013
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Quote:
Originally Posted by elkhunter11
That would depend on how the temperature effects the load. If the velocity changes significantly, the zero can change, as well as the trajectory. Both of those things can effect the points of impact at various distances.
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That would be how the temp changes the load, not the CDS. Thought maybe it made it hard for you to adjust in colder temps.
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11-24-2017, 05:57 PM
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Join Date: Dec 2008
Location: Camrose
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Quote:
Originally Posted by gtr
That would be how the temp changes the load, not the CDS. Thought maybe it made it hard for you to adjust in colder temps.
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And if the velocity of the load changes, the trajectory changes, which would throw the CDS turret out of calibration, if it was based on the trajectory of the load in warm weather.
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Only accurate guns are interesting.
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11-24-2017, 06:08 PM
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Join Date: Mar 2011
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Should have phrased it differently, was wondering if the CDS ever failed to dial up or down under various conditions.
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11-24-2017, 06:16 PM
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Banned
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Join Date: Nov 2013
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Quote:
Originally Posted by cowmanbob
Should have phrased it differently, was wondering if the CDS ever failed to dial up or down under various conditions.
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No troubles with mine, but others may find they have issues.
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11-24-2017, 06:19 PM
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Join Date: Jan 2013
Location: onoway, Ab
Posts: 6,993
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I have 3 vx3 cds scopes. I have shot them in cold temperatures and they all seem to work fine.
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11-24-2017, 06:20 PM
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Join Date: Dec 2008
Location: Camrose
Posts: 45,141
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Quote:
Originally Posted by cowmanbob
Should have phrased it differently, was wondering if the CDS ever failed to dial up or down under various conditions.
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The CDS system is nothing more than a calibrated adjustment knob, it doesn't effect the function of the scope.
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Only accurate guns are interesting.
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11-24-2017, 06:20 PM
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Join Date: Mar 2011
Posts: 1,573
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Quote:
Originally Posted by gtr
No troubles with mine, but others may find they have issues.
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Thanks GTR
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11-24-2017, 08:39 PM
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Join Date: Jun 2008
Location: Calgary Area
Posts: 2,381
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Lots of things
There are lots of things that can change your point of impact including temperature barometric pressure humidity and altitude. The amount that theses things affects point of impact is magnified by the distance you intend to shoot. If your keeping it under a few hundred yards then it is likely not an issue.
If you are shooting longer distances you might want to consider using a ballistics calculator and dial turrets for better shooting solutions
Try this site and change some variables and see how it affects your point of impact.
http://apps.vortexoptics.com/lrbc/
It's also important the your extreme spread in the velocity of the ammo your using be low or your point of impact can very quite a bit on long distances.
Hope this helps.
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11-24-2017, 09:11 PM
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Join Date: Aug 2008
Location: south of calgary
Posts: 1,831
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Quote:
Originally Posted by cowmanbob
For the guys using the Leupold CDS scope, how is the repeatability in cold weather?
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using all my powers of deduction; it sounds to me like you are asking if the cds system on leupold scopes behave as they should when used in cold weather as well as they do through the warm season.
i have had 4scopes outfitted with cds dials; 2 vx2, an fx3, and a vx3. all seemed to function as they should in coyote season and in the gopher patch.
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11-24-2017, 09:38 PM
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Join Date: Jul 2010
Location: Edmonton
Posts: 11,858
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I have had zero scope issues with my Leupold CDS scopes in cold weather. I don't think there is anything to be concerned about, it's really, essentially, a dial.
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