SM2 male to M26x0.75 (36tpi) female thread adapter (SM2 to 26mm step-down ring)

• Front side - M26x0.7 female thread plus SM2 female thread
• Rear side - SM2 male thread

This adapter has both male and female SM2 threads so you can stack accessories/tubes if necessary.

Tolerances of M26 thread pitch are large enough to accept both M26x0.75 objectives (Nikon BD) and M26x36tpi (Mitutoyo).

Made of high quality aluminium alloyWhy aluminium?.