Multipurpose passive thermal target 15x15cm with 1cm grid lines for precision zeroing of your thermal optic. The thermal targets use the natural light and work night and day and in all environmental conditions. These targets provide high clarity and detail. - A passive thermal target works with no additional power source. To create the contrast image the target reflects thermal energy of the environment. So the cooler sky temperature reflects in the thermal target as in a mirror. Therefore the target appears cold in contrast to the warmer trees buildings etc. in its background. - It is recommended to attach the target to a flat surface at an angle of ten or more degrees from vertical so that it reflects the colder sky. When a thermal device uses White-Hot palette the passive target is black. In Black-Hot palette the passive target is white. - Passive thermal targets no heat source needed - Made from a material that has natural thermal contrast - Allows for easy zeroing of the thermal rifle scope - 1cm grid for easy correction of point of impact - Works in any weather at day and night - Comes as a pack of 25 and 50 pcs Manufacturer: AGM GLOBAL VISION Part Number: 633125S1 UPC: 810027772497 Weight: 0.30 lbs

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