Help with optical equipment

[Mr Piter]

Hi

Could You please help me to identifi this optical equipment?

Is it for Flak gun? If yes what kind of FLAk?

Sorry for poor quality of photos.

Regards
Piotr

[Sgt Bilko]

It's a sight for the German 7.7cm field guns used during the Great War.

[Mikedenmark]

search for rundblickfernrohr for more info

[Mr Piter]

Thank You for info

Regards
Piotr