Take out your lens from your camera body. | Mount the adapter ring to your camera body. | Reverse your lens with filter thread and screw it to the adapter ring until it is tight. | Note: Autofocus,automatic diaphragm (AE metering),and other functions dependent on communication between camera body and lens will be disrupted with this reverse ring mounting on the camera body. | a.You have a for Sony E mount camera,below are some of the E mount cameras for your reference: | Compatible with For Sony A6500 A6300 A5100 A6000 A5000 A3000 NEX-5T NEX-3N NEX-6 NEX-5R NEX-F3 NEX-7 NEX-5N NEX-5C NEX-C3 NEX-3 NEX-5 A7RIII A9 A7III A7 A7s A7R A7II A7RII A7SII | b.You have a lens with 52mm filter thread, below are some of the lens(Mounts Any lenses with Ø 52mm filter thread to a micro E-Series Camera) | Compatible with For Canon 52mm Lens: EF100mmf/2.8, EF135mmf/2.8, EF200mmf/2LISUSM, EF28mmf/2.8, EF300mmf/2.8LISIIUSM, EF300mmf/2.8LISIIUSM, EF300mmf/2.8LISUSM, EF 35-80mmf/4-5.6II, EF35mmf/ 2, EF400mmf/2.8LISIUSM, EF400mmf/2.8LISIIIUSM, EF400mmf/2.8LISUSM, EF400mmf/4DOISIIUSM, EF400mmf/4DOISUSM, EF40mmf/2.8STM, EF500mmf/4LISUSM, EF50mmf/1.8l, EF50mmf/2.5, EF 55-200mmf/4.5-5.6IIUSM, EF600mmf/4LISIIIUSM, EF600mmf/4LISUSM, EF800mmf/5.6LISUSM, EF-M 18-55mmf/3.5-5.6ISSTM, EF-M 55-200mm/4.5-6.3ISSTM, EF-M 55-200mmf/4.5-6.3ISSTM, EF-S60mmf/2.8USM, RF35mmf/1.8MacroISSTM, | Compatible with For Nikon 52mm Lens: 300mmf/2.8GED-IF II, 35-105mmf/3.5-4.5, AFMicroNikkor105mmf/2.8D, AFNikkor24mmf/2.8D, AFNikkor28mmf/2.8D, AFNikkor35mmf/2D, AFNikkor50mmf/1.4D, AFNikkor50mmf/1.8D, AF-S400mmf/2.8DIF-EDI I, AF-S400mmf/2.8GEDVR, AF-S500mmf/4DIF-EDI I, AF-S500mmf/4GEDVR, AF-S600mmf/4DIF-EDI I, AF-S600mmf/4GEDVR, | Compatible with For Nikon 52mm Lens: AF-SDX 18-55mmf/3.5-5.6GEDⅡ, AF-SDX 18-55mmf/3.5-5.6GVR, AF-SDX 55-200mmf/4-5.6GED, AF-SDXNikkor35mmf/1.8G, AF-SDXNikkor40mmf/2.8G, AF-SDX Nikkor 55-200mmf/4-5.6GEDVRII, AF-SDX Nikkor 55-200mmf/4-5.6GIF-E DVR, AF-SDXNikkor85mmf/3.5GEDVR, AF-S Nikkor 200-400mmf/4GEDVRII, AF-SNIKKOR200mmf/2EFLEDVR, AF-SNikkor200mmf/2GEDVRII, AF-SNikkor300mmf/2.8GEDVRⅡI, AF-SNikkor800mmf/5.6EFLEDVR, AF-SVR 200-400mmf/4GIF-ED