M55x0.75 male to M77x0.75 female thread adapter with 80mm outer diameter

• Front side - M77x0.75 female thread
• Rear side - M55x0.75 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 M55x0.75 filter thread.
2. Allows coupling such lens with a matte box with 80mm opening.

Front 80mm slip-on plastic cap is included.