DF "Flak" Binoculars 10x80 Blue Triangle DKL Red X Serial number 72908 ___To you who are not familiar with these glasses. _____ These are the famous DF "Flak" binoculars used in World War 2, to spot troop movements, aircraft identification, and naval ship identification.______This is an extremly collectible binocular_These glasses are Great. They have their aiming reticle (Black lines inside, that help with distance) that can easily be removed by a Binocular Optical Tech. ( I recommend Close Scientific in Seattle). I could go on and on on their quality but I am sure you will agree that these glasses are nice. DF's are very collectible.____ These are heavy and its not the type of glasses you hang around your neck and go, they weigh over 12 pounds. ________ These would do well if your house overlooks a spectular vista. ______For Birding its almost beyond words_________ You can see if they painted their claws____ Someone will buy them, why not you? ______ They are great binoculars. **The left filter knob is partially missing but the filters work and change from clear to shaded / bright sun.____ Send me your e address and I will send JPG images of the binoculars. Thank you.