It is interesting enough to see how the Tankers had done with these instruments some 70 yrs ago .. !! For Tigers, the sighting system :: http://historywarsweapons.com/tiger-tanks-sighting-system/ http://www.panzerworld.com/German-armor-optics Further information on account of the panzers Night-vision systems :: http://www.achtungpanzer.com/german-infrared-night-vision-devices-infrarot-scheinwerfer.htm
