• Front side - M77x0.75 female thread
• Rear side - M60x0.75 male thread
• Outer diameter - 80mm

Made of high quality aluminium alloy.

This adapter has two functions:

1. Allows using M77x0.75 filters on lenses with M60x0.75 filter thread.
2. Allows coupling such lens with a matte box with 80mm opening.

Known compatible lenses are:

1. Foton zoom lens (37-140mm).

Front 80 mm slip-on plastic cap is included.