What is a Rkr. K 35M Sight/Scope?

[harrison987]

Hi guys,

I have owed the Richtkreis 31 Mortar sight...as well as the Richtkreis 12M...

But what the heck is a Rkr. K 35M?

I saw one recently...was MASSIVE. weighed about 80 lbs...very complicated.

Any thoughts on that?

TIA

Mike

[harrison987]

pics