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Thermal Zero at 50 or 100?
#8117837
01/06/21 07:15 PM
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Joined: Dec 2009
Posts: 5,250
Big Fitz
OP
THF Trophy Hunter
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OP
THF Trophy Hunter
Joined: Dec 2009
Posts: 5,250 |
For those that hunt regularly with a Thermal for hogs, do you zero the scope at 50 or 100 yards? I can see the benefit of zeroing at 50 as it would be a bit high at 100 to mitigate slight range estimation errors but not sure what the experienced folks do.
I was wrong...on anything technical. Fitz............. is right, ya know............
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Re: Thermal Zero at 50 or 100?
[Re: Big Fitz]
#8118233
01/06/21 11:41 PM
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Joined: Nov 2020
Posts: 791
BbarVRanch
Tracker
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Tracker
Joined: Nov 2020
Posts: 791 |
I zero all my night vision and thermal at 100.
But differently from my scoped hunting rifles that I usually zero 1" high at 100 yards, I zero my night rifles dead on at 100.
I'm sure different people do different things, but that's my way.
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Re: Thermal Zero at 50 or 100?
[Re: Big Fitz]
#8118540
01/07/21 03:38 AM
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Joined: May 2011
Posts: 8,040
Double Naught Spy
THF Trophy Hunter
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THF Trophy Hunter
Joined: May 2011
Posts: 8,040 |
At what distance are you normally shoot hog? If you are normally shooting them at 50 yards, having a 100 yard zero would not make much sense...and vice versa. You should not have to compensate for your most common shots.
I also zero at 100 yards because most of my shots are 75-150 yards.
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Re: Thermal Zero at 50 or 100?
[Re: Big Fitz]
#8118570
01/07/21 04:04 AM
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Joined: Aug 2009
Posts: 22,065
BigPig
THF Celebrity
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THF Celebrity
Joined: Aug 2009
Posts: 22,065 |
50 yards for me. A lot of my shots are 50-200 yards, the 50 yard zero pretty well covers me with my 223 or 243 with very little error in adjustment.
Wade Dews, REALTOR ® Rendon Realty, LLC Frontline Real Estate Team www.RendonRealty.comWadeDews@gmail.com 214-356-2410 Up to 1% for closing costs for First Responders & Veterans Proudly partnered with Assist The Officer Foundation https://atodallas.org/
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Re: Thermal Zero at 50 or 100?
[Re: Big Fitz]
#8118635
01/07/21 04:48 AM
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Joined: Dec 2008
Posts: 4,411
syncerus
Extreme Tracker
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Extreme Tracker
Joined: Dec 2008
Posts: 4,411 |
50 yard zero with a scope 2.5-3.0" above bore axis puts a bullet no more or less than 1.5" of line of sight out to 200 or so with any load over 2500 fps. Even a super sonic .300 BO load (110 gr @ 2350 fps, scope 2.5" above bore axis) is only 2" low at 200. Unless you're really planning on reaching out and touching things at night, I don't see much advantage to the 100 yard zero.
NRA Patriot Benefactor & DSC Lifer
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Re: Thermal Zero at 50 or 100?
[Re: Big Fitz]
#8118694
01/07/21 06:02 AM
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Joined: Dec 2009
Posts: 5,250
Big Fitz
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THF Trophy Hunter
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OP
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Joined: Dec 2009
Posts: 5,250 |
I don't have my thermal yet so I am a newb. Thanks for the input fellas.
I was wrong...on anything technical. Fitz............. is right, ya know............
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Re: Thermal Zero at 50 or 100?
[Re: Big Fitz]
#8118769
01/07/21 12:19 PM
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Joined: May 2007
Posts: 5,476
TX_LT230FH
THF Trophy Hunter
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THF Trophy Hunter
Joined: May 2007
Posts: 5,476 |
I tend to use mine a little differently than most- I have two particular fields I hunt that I have set up with multiple feeders and an elevated (1 15' and 1 10') blind in each. My shots are mostly 75-100 yards minimum, and are more commonly 160+ so I sighted mine in 1.5" high at 100 yards. It works well for me.
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Re: Thermal Zero at 50 or 100?
[Re: Big Fitz]
#8118961
01/07/21 02:53 PM
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Joined: Nov 2011
Posts: 2,427
der Teufel
Veteran Tracker
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Veteran Tracker
Joined: Nov 2011
Posts: 2,427 |
As noted by others, the best approach seems to be to zero at the range you most expect to shoot. Most of my shots are between 50-100 yards. I zero at 80 yards.
I have two unwritten rules: 1. 2.
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Re: Thermal Zero at 50 or 100?
[Re: Big Fitz]
#8120089
01/08/21 02:23 AM
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Joined: Jun 2011
Posts: 31,665
Buzzsaw
THF Celebrity
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THF Celebrity
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Posts: 31,665 |
I shot a hog last night at 6:10, 100 yards, I was looking through my Swaro Z-6 but nothing was glowing.
Fitz, what are you getting into now?
Zen Archer on here is the Master of all things thermal and hog
SPACE FOR RENT
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Re: Thermal Zero at 50 or 100?
[Re: Big Fitz]
#8120338
01/08/21 04:42 AM
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Joined: Dec 2020
Posts: 1,290
Sewer rat
Pro Tracker
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Pro Tracker
Joined: Dec 2020
Posts: 1,290 |
I too fretted over the 50 vs 100 for my thermals. My thought is it makes no difference. Most thermals have low magnification. I choose 50 because it is hard for me to really see a target precisely at 100 with one. Most calibers you are talking an inch or less difference in point of impact between the two. If 1” matters to you on a night shot on hog you are on a entirely different level than me. A lot of night shots are off shooting sticks, t posts, offhand whatever. It’s not normally benchrest grade shots.
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Re: Thermal Zero at 50 or 100?
[Re: Big Fitz]
#8121041
01/08/21 07:18 PM
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Joined: Dec 2009
Posts: 5,250
Big Fitz
OP
THF Trophy Hunter
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OP
THF Trophy Hunter
Joined: Dec 2009
Posts: 5,250 |
Buzz, I've got a Super Hogster on order, Hope to have it by the end of the month.
I was wrong...on anything technical. Fitz............. is right, ya know............
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Re: Thermal Zero at 50 or 100?
[Re: Sewer rat]
#8121236
01/08/21 09:55 PM
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Joined: May 2011
Posts: 8,040
Double Naught Spy
THF Trophy Hunter
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THF Trophy Hunter
Joined: May 2011
Posts: 8,040 |
I too fretted over the 50 vs 100 for my thermals. My thought is it makes no difference. Most thermals have low magnification. I choose 50 because it is hard for me to really see a target precisely at 100 with one. Most calibers you are talking an inch or less difference in point of impact between the two. If 1” matters to you on a night shot on hog you are on a entirely different level than me. A lot of night shots are off shooting sticks, t posts, offhand whatever. It’s not normally benchrest grade shots. This is the difference between a 100 yard zero and a 1" high at 100 yard zero on a hog at 80 yards. The shot my partner attempted was at the base of the ear. This hog ran and had be be dropped with another shot. ![[Linked Image]](https://texashuntingforum.com/forum/pics/userpics/2021/01/full-28243-273973-100_1803_crop.jpg)
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Re: Thermal Zero at 50 or 100?
[Re: Double Naught Spy]
#8121256
01/08/21 10:15 PM
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Joined: Aug 2016
Posts: 2,067
TKandMike
Veteran Tracker
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Veteran Tracker
Joined: Aug 2016
Posts: 2,067 |
I too fretted over the 50 vs 100 for my thermals. My thought is it makes no difference. Most thermals have low magnification. I choose 50 because it is hard for me to really see a target precisely at 100 with one. Most calibers you are talking an inch or less difference in point of impact between the two. If 1” matters to you on a night shot on hog you are on a entirely different level than me. A lot of night shots are off shooting sticks, t posts, offhand whatever. It’s not normally benchrest grade shots. This is the difference between a 100 yard zero and a 1" high at 100 yard zero on a hog at 80 yards. The shot my partner attempted was at the base of the ear. This hog ran and had be be dropped with another shot. What a shot!
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