New 7mm S mount MTV Lens Extension tube Adapter Ring for M12X0.5 Board Lens 7mm and 10mm                                        

Product Feature: 

Material : Metal

S Mount  Female thread  to  S mount male Thread Adapter

One port is M12X0.5 female thread

Another port is M12X0.5 male thread

Extension length: 7mm and 10mm for your choose

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