This adapter provides 95mm outer diameter for matte box coupling, and M86x1 front filter thread.

Can be used on lenses with M82x0.75 filter thread.

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

• EKRAN 35OKS7-18-1
• LOMO OKS5-18-1

But take care and measure your particular lens filter thread since some of the same model lenses may have different filter thread.

Made of anodized aluminium.