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German Army - Panzer Optics in WW2 - YouTube
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German PAK anti tank gun sight marked Z.F. 3×8 DZL – fjm44
Detailed vector image of the German tank sight Turmzielfernrohr 9b. Turmzielfernrohr translates as "tower sight". Such a sight was installed on the Pz-VI Tiger tank Stock Vector | Adobe Stock