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Viewing hogs in thick brush/tall grass with thermal
#5273191
08/26/14 06:49 PM
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Joined: Aug 2012
Posts: 2,303
Bearclaw
OP
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OP
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Joined: Aug 2012
Posts: 2,303 |
I frequently have hunters ask me about how well thermal can "see through" brush and tall grass. I found this video from a while back and thought it was a great illustration how thermal works in tall grass and brush. If this video would have been during the day I really think you would not have been able to see these pigs at all until they walked out between the brush. This grass was waist deep and thick, but the hogs were still easily detected.
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Re: Viewing hogs in thick brush/tall grass with thermal
[Re: Bearclaw]
#5273870
08/27/14 01:41 AM
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Joined: Aug 2014
Posts: 208
AP2020
Woodsman
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Woodsman
Joined: Aug 2014
Posts: 208 |
I have noticed the same loss of the horizontal reticle on a FLIR RS Series 64, is this typical of Thermal Scopes. Is it true that the thin portion of the reticle is only 1 pixel thick.
And I know that it is only apparent in the video playback, when looking through the scope, the user still sees the horizontal reticle.
Last edited by Archersparadox2020; 08/27/14 01:43 AM.
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Re: Viewing hogs in thick brush/tall grass with thermal
[Re: AP2020]
#5282781
09/01/14 05:19 PM
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Joined: Aug 2012
Posts: 2,303
Bearclaw
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OP
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I have noticed the same loss of the horizontal reticle on a FLIR RS Series 64, is this typical of Thermal Scopes. Is it true that the thin portion of the reticle is only 1 pixel thick.
And I know that it is only apparent in the video playback, when looking through the scope, the user still sees the horizontal reticle. This happens across the board with ATN, FLIR, and other brands depending on reticle location. It's something that we have to deal with for the time being but not really an issue of concern. It would make sense the reticle is 1 pixel thick in some areas. In the outer portions of the reticle it's definitely thicker than 1 pixel and you never loose that part of the reticle completely in video playback.
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Re: Viewing hogs in thick brush/tall grass with thermal
[Re: Bearclaw]
#5282976
09/01/14 08:47 PM
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Joined: May 2011
Posts: 8,239
Double Naught Spy
THF Trophy Hunter
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THF Trophy Hunter
Joined: May 2011
Posts: 8,239 |
I get the same question about how well thermal sees through things. I usually tell folks that thermal doesn't see through things, but that it sees the heat radiating from things. So the person isn't seeing into the grass as much as he is seeing what is broadcast out of the grass from the pigs. Blades of grass in the way will stop the broadcast, so what you see is what is the direct line of sight gaps in the grass between you and the hogs.
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Re: Viewing hogs in thick brush/tall grass with thermal
[Re: Bearclaw]
#5283446
09/02/14 02:44 AM
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Joined: Sep 2009
Posts: 3,453
dfwroadkill
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On the loss of the horizontal reticle on the video out thing, I have wondered if it is a sync issue between the scope and MDVR. I think most of us choose the highest resolution on the MDVR. I haven't had the opportunity to test it on lower resolutions. There is also a display type option that could affect this. It happens with all the scopes. The MDVR is the common element to the issue. Has anyone tried different settings?
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Re: Viewing hogs in thick brush/tall grass with thermal
[Re: dfwroadkill]
#5283498
09/02/14 03:17 AM
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Joined: Aug 2012
Posts: 2,303
Bearclaw
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OP
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Joined: Aug 2012
Posts: 2,303 |
On the loss of the horizontal reticle on the video out thing, I have wondered if it is a sync issue between the scope and MDVR. I think most of us choose the highest resolution on the MDVR. I haven't had the opportunity to test it on lower resolutions. There is also a display type option that could affect this. It happens with all the scopes. The MDVR is the common element to the issue. Has anyone tried different settings? 2 things going on here... The thors used to display a missing horozontal or vertical reticle bar depending on the x/y coordinate. Then, it was fixed but the screen size was smaller when in video out mode. Then, that was fixed and it only showed the issue on video out and not on the display. Its the scopes, not the DVRs. This video was recorded with a Yukon MPR. The displays are not the same resolution as the sensor's video out so it comes out funky depending on reticle positions.
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Re: Viewing hogs in thick brush/tall grass with thermal
[Re: Bearclaw]
#5284703
09/02/14 10:54 PM
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Joined: Aug 2008
Posts: 7,806
Deerhunter61
THF Trophy Hunter
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THF Trophy Hunter
Joined: Aug 2008
Posts: 7,806 |
Really cool! Thanks for sharing!
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