Goggles for what?

[johnastovall]

bought a junk box of Leica stuff at an estate sale and most of it I've identified but these goggles stump me.

They have an M-mount on the base the front is threaded. I can not find any catalog number or name on them. There was an early 135/2.8 Elmarit for sale (scolloped focusing ring) which did not have goggles on it. Could these be the goggles for it?

 

[dlove5]

Yep, that looks like the regular focusing mount and goggles when I take the 135/2.8 Elmarit head off to put it in the short focusing mount for the Visoflex.