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Tap the power button to recalibrate it several times. I changed my first battery in mine and it started doing that. Luckily, I figured that one out.
They are different technologies for the most part. Thermal works off of heat signatures while night vision works by amplifying what little light is available at night or with an infrared illuminator to provide an image. The thermal is like a small computer processor that translates the heat signatures to a digital display while traditional night vision amplifies light to provide an image to the display. There is also digital night vision that works somewhat similar to digital cameras with night vision modes. There is a ton of literature and information available online and on our website that helps provide some information on the basics of the technologies. You can find a ton of information here in our How To guides:
https://www.opticsplanet.com/howto/
There is no standard or easy way to mount this to a helmet. You would have to rig up some sort of ring mount to a mount and then attach that all to a helmet.
This is the warranty information for this product:
"Leupold Electronics Limited Two-Year Warranty
Leupold electronic products which include rangefinders, thermal products, and other electronic devices are warrantied against defects in materials and workmanship for two-years from the date of purchase. If the product is found to be defective, Leupold & Stevens Inc. will repair or replace it free of charge, within that two-year period. Proof of purchase may be required to verify warranty."
Yes, it is.
They both have a 1.2" diameter 390x390 pixel display.
The refresh rate is 25 Hz.
Some of the specifications on this page are incorrect and we apologize for the confusion. The primary difference is beacon mode, the ability to set temperature thresholds, and new filters. Otherwise the original Tracker HD has the same specifications as the Tracker 2 HD. Beacon mode in particular is a significant upgrade for warmer environments. Should you see yourself using thermal indoors frequently, the Tracker 2 HD would be worth the additional investment.
Correct, you can find the LTO 2 HD here: https://www.opticsplanet.com/leupold-lto-tracker-2-hd-handheld-thermal-optic.html
It's as far as your eyes can see the tiny screen. It's more like a super small phone screen than a scope, the only eye relief measurement would be getting too close.