Meike MK-S-AF3-A Metal Extension Tube Close Shot Adapter Ring Lens for Auto Focus Sony NEX Micro DSLR (10mm, 16mm) E-Mount Camera $42.32 $43.19 $44.07. Item name:MEIKE MK-S-AF3A Metal Auto Focus Macro Extension Tube Retail Price (€):28.71€ Condition: Notes:. Meike MK-F-AF3 Metal Auto Focus Macro Extension Tube For Fujifilm X-T20 XT2 X-T3. ... Meike MK-N-AF3A Auto Focus Macro Extension Tube Adapter Ring For Nikon J1 J2 J3.. "/>Meike mk-s-af3a metal auto focus macro