• Front side - M40x36tpi female + M67x0.75 female threads
• Rear side - M67x0.75 male thread
• Weight - 22 g

This adapter allows using microscope objectives with M40x36tpi mount thread (like Mitutoyo BD) in front of lenses with M67x0.75 filter thread (for macrophotography purposes).

Front side of the adapter has also female M67x0.75 thread to allow you using your usual accessories (like circular light) in this setup.

Made of high quality aluminium alloy.