Professor Optiken threaded ring M50x0.75 mm on M52x0.75 mm

product information

The Professor Optiken threaded ring with M50x0.75 mm thread is compatible with our clamping adapters with M52x0.75 mm internal thread. With the help of the adapter thread ring, all attachments with M50x0.75 mm external thread, such as our Spreewald NSG 78 Multifunction, can be connected to the standard clamping adapter M52x0.75 mm.

The threaded ring is made of high-strength stainless steel and fits perfectly. For 100% hold we recommend to use the threaded ring with a suitable adhesive.

included in delivery:

• threaded ring M50x0.75 mm on M52x0.75 mm