I have just been tidying up and have come across my old Patima optical glass dome. Same size mount as the Nexus M5 screw thread
Patima-160mm optical dome port
Length: 154mm
Height: 50mm
Weight: 620g
Material: BK7
Coating: AR multi coating + anti-fog coating
Cost US$1200 - for sale for $600
Also have the 40mm extension with zoom control for the canon 10-22mm. Again, can be used with Nexus housing, cost $500 - for sale for $200
