Because Sony RX100 VI/VII cameras lens extends a lot further compare to previous models, this macro port was designed specifically for it and will not for with RX100 III/ IV/ V cameras. This port is intended to be used for macro only and ideal focal length without vignetting is between 70mm and 200mm.
Flat port with 67mm thread for RX1xx Salted Line waterproof case allows to attach wet close up and macro lenses.

Please note, the weight limitation of 67mm thread on the surface is 450g. If your wet close up or wide-angle lens is heavier than 450g, the attachment/detachment must be done underwater to avoid any damage to 67mm thread. 

Package includes:

• ?Macro port for RX1xx Salted line with 67mm thread (For RX100 VI/VII only)