M85x1 male to M77x0.75 female thread adapter with 80mm outer diameter

This adapter provides 80mm outer diameter for matte box coupling.

It has also front 77mm (M77x0.75) thread to allow using wide range of standard filters.

Can be used on lenses with M85x1 filter thread.

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

• OKS7-28-1
• OKS8-35-1
• OKS1-50-1
• OKS6-75-1

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

Machined from anodized aluminium.

Front 80mm plastic cap is included.