95mm matte box ring and M86x1 adapter for LOMO OKC6-10-1M (91mm front diameter)

This adapter provides 95mm outer diameter for matte box coupling.

It also has M86x1 female thread for filters.

Can be used on lenses with 91mm front diameter.

Known lenses with OCT-19 mount in Konvas housing that fit are:

• OKS6-10-1M

Made of anodized aluminium.