Best 640 resolution thermal for the $$

alf said:
Two year warranty doesn't ooze confidence......
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I just checked and it's a three year warranty.
I've found that if a thermal works glitch free for a couple of weeks it's good to go for a lifetime of use if it's taken care of.
My second thermal (Elcan Spectre SP50B) that I bought in the early 2000's is still operational.
The used AN/PAS19 I bought in the mid 90's would still be operational if my nephew didn't fry it by plugging it into a 12v power supply a couple of years ago.
With modern technology and protected circuitry I expect that current thermal optics will be around for a long time.
SJC
 
I'm thinking the base mag of the 75mm is 5x as DAA posted. I really think the 2.8 50mm is best for coyotes. Besides, not too sure about how well they retain zero when changing lens and if you have to resight every time that would quickly be a pain in the butt. Also personally I don't like the idea of opening the unit up and changing those lens over and over. Seems like a good place for a problem to erupt. Warranty is 3 years.
 
DoubleUp said:
I'm thinking the base mag of the 75mm is 5x as DAA posted. I really think the 2.8 50mm is best for coyotes. Besides, not too sure about how well they retain zero when changing lens and if you have to resight every time that would quickly be a pain in the butt. Also personally I don't like the idea of opening the unit up and changing those lens over and over. Seems like a good place for a problem to erupt. Warranty is 3 years.
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I've been following this thread, sorta nibbling around the edges and trying to learn more. Lots of thoughts and concerns and some what-ifs. DoubleUp is concerned about POI shift after making some lens changes and also the possibility of some other potential problem from opening the scope repeatedly. If changing the lens is just a straight forward unscrew one, put another on, I don't think that should cause any kind of problem. Isn't the reticle just an image on a screen? Other than the slight possibility of foreign particle contamination when lens is removed, everything should be alright.
 
You could be absolutely right 22mag. Those are just some concerns I had where problems could surface. Here is a side by side comparison from a coyote my partner killed last night. It was his turn to shoot so I just followed along with my scope. Sorry, I'm not very proficient yet at this split screen stuff. My partner is shooting a Pulsar LRF XP-50 Pro. My video starts with my scope on 2.8 native mag, but I switch to 5.6 mag. I believe his scope is at 2.0 native mag and 16.0 in the PIP. He made a nice DRT 200 yd. shot on this big male. It might not be the best of comparisons since he is on white hot and I am on black hot.

 
popper43 said:
Each lens will be slightly different optically, plan on re-zero'ing. Especially for longer shot.
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OK, I'm going to beat on this horse a little more. If the purpose of the 3 different lens is to provide a wider field of view, and the reticle is fixed on the screen, how could the POI shift? My thought is that change could come if there are loose mounts, rings etc. that may occur over time by frequent lens change and normal handling.
Would the maker have the foresight of the chance of POI shift by frequent lens change and find a way to prevent it and the necessity of re-zeroing?
 
22mag, this is only my opinion, but I suspect in the vast majority of users even if they have 35mm, 50mm, and 75mm that most of them will quickly decide which one suits their needs most and seldom change if ever. I can see where someone who has the 35mm and 50mm might would use the 50mm for coyote hunting on their rifle and perhaps at a later date turn that scope into a hand-held scanner as newer technology replaces older versions for use in shooting. As I said, just my opinion, but YRMV.
 
The reticle is an overlay on the display screen. SW timing with the sensor SW positions it. Lenses are never perfect - sensor image POSITION is different for different lens.
 
The owners manual says to rezero after lens change.

Screenshot 2026-01-24 115515.png

Manual can be downloaded here: Resource

- DAA
 
Update on direct from OneLeaf order:
Hi Greg,

Thanks for your order.

There may be a slight delay in dispatching your parcel to our shipping forwarder due to the high volume of orders. And our testing team will conduct the some extra tests to ensure better performance before shipment. Your order will be sent out by next Tuesday earliest, ater shipment, the delivery time is approx 3-5 days excluding the weekends and holidays. Thanks for understandings.

support@oneleaf.ai
 
I received an E mail stating a shipping delay because of weather conditions.
What I was told about lens change POI shift from some users is that if you experience POI shift when you change lenses you would need to have a rifle profile set for each lens size.
I was told that when sighted in for the 50mm lens there might be a minimal POI shift when swapping to the 35mm lens.
So minimal that you wouldn't notice it when shooting at big targets like coyote or hog at closer ranges where the larger FOV of the 35mm lens is favored.
If hunting smaller targets you might need to re zero.
If I had a scope I would test it.
SJC
 
shoots100 said:
After using Pulsar scopes with low base mag for a long time I didn't think I would like a 3x or higher base mag because of the small FOV.
That changed when I started using Nvis scopes.
Since I was engaging targets at longer ranges, the 3x+ base mag is preferred and I don't notice the smaller FOV.
The swappable lenses of the MT1000 is a nice feature to have if it doesn't have a large POI shift when changing lenses.
If you're hunting fields use the 75mm with 4x base, in close use the 35mm with 2x base or just use the 50mm as an all around scope.
SJC
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My manual says to zero for each lens. I have the 50 only so not a concern to me.
 
I'm like you Mike, won't be a problem for me since I only have the 50mm, but with my age and ability to not remember to switch the parameters, I would probably forget to do it anyway. I've been known to forget to load my rifle. My hunting buddy who is a lot younger than I am, competely forget to bring his rifle one night. I felt sorry for him, but not that sorry! :D
 
so...you have to re-zero for each lens ? if you cant change lenses in the field to match conditions when changing locations, why bother advertising this "great" feature.

wasted feature for me. pick one lens and stick with it
 
bohunr said:
so...you have to re-zero for each lens ? if you cant change lenses in the field to match conditions when changing locations, why bother advertising this "great" feature.

wasted feature for me. pick one lens and stick with it
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It might be that you only have to change profiles to change lens. I will know in a couple weeks. Shoots 100 may know sooner.
 
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