• Front side - M26x0.7 (36 tpi) female thread and M52x0.75 female thread
• Rear side - M52x0.75 male thread
• Max. diameter - 56 mm
• Distance between flanges - 4.5 mm
• Weight - 15 g

This adapter allows using microscope objectives with M26x0.7 (36 tpi) mount thread in front of lenses with M52x0.75 filter thread (for macrophotography purposes). Fits Mitutoyo microscope objectives.

Tolerances are made large enough, so this adapter fits Nikon BD objectives with M26x0.75 thread as well.

Front side of the adapter has also M52x0.75 female thread. You can continue using your usual accessories therefore.

Made of anodized aluminium.