• Bore diameter - 50.4 mm
• Rear side - M65x1 male thread
• Flange thickness - 5 mm
• Max diameter - 85 mm
• Weight - 38 g

Machined of high quality aluminium alloy.

This adapter allows using some shutters on focusing helicoids with M65x1 thread. Take note that this adapter has no female thread - it has just a round bore. So, your shutter should have retaining ring to mount it. Large outer diameter makes it more convenient to use.

Suitable shutter(s):

• Ilex #3