• Front side - M82x0.75 female thread
• Rear side - M85x0.75 male thread

Machined from high quality aluminium alloy.

This step-down ring allows using 82mm screw-in filters on lenses with M85x0.75 thread.

Please check threads both on your lens and filters, since some of them may have 1mm thread pitch. This adapter has 0.75mm thread pitch for both the threads.