• Front side - M82x0.75 female thread adapter, flangeless
• Rear side - M86x0.75 male thread
• Thickness - 3.5 mm

Machined from high quality aluminium alloy.

This adapter allows using 82mm filters on lenses with 86mm filter threads.

Take note that both the threads have 0.75mm pitch. This is common pitch for filter threads nowadays, but it is better to double check your particular lens and filter to make sure that they have the same pitch.