Haoge Macro Focus Adapter with Built in Helicoid for M42 Lenses to M42 Cameras (17mm 31mm) by Haoge home_industrial_July2026 Extend Cable: This BNC adapter AC wide voltage input Extend Cable: This BNC adapter provides the ability to interconnect two devices with BNC male interfaces that provide a coupling between two cables with BNC male connectors for when you need to extend the length of your BNC cables and can be used to join two male BNC plugs NOYITO ACS712 Current Sensor Module Detector ACS712ELC 5A 20A 30A Amps Amperage Range (Pack of 2) (5A) This means you can now get macro performance without needing to switch to a specialized lens and you will retain all the normal benefits of your optic when the macro function is not in use Focus by LCD