• Front side - M105x0.75 female thread
• Rear side - 103mm clamp

Machined from high quality aluminium alloy.

This adapter allows using 105mm screw-in filters on lenses with 103mm front outer diameter.

Known compatible lenses:

• BV #304 FRANSCOPE

NOTE: most filter threads have 0.75mm pitch nowadays. But different pitches are still exist. Please check your filter thread pitch to make sure that it is 0.75mm; otherwise it will not fit this adapter.