The ThOR LTV is lightest Thermal Scope in the ATN ThOR line, providing more versatility to mount to a Crossbow, Air Rifle, or other platforms where weight is a critical factor. <a href="https://www.atncorp.com/thermal-scope-thor-ltv-640-4-12x" target="_blank" >ATN THOR LTV 640 4-12X</a>The ThOR LTV is lightest Thermal Scope in the ATN ThOR line, providing more versatility to mount to a Crossbow, Air Rifle, or other platforms where weight is a critical factor. <a href="https://www.atncorp.com/thermal-scope-thor-ltv-640-4-12x" target="_blank" >ATN THOR LTV 640 4-12X</a>