INON 超浮力臂 S
■Buoyancy: 390g (13.8oz) [underwater] ■Weight: 219g (7.7oz) [air] ■Outer diameter: 97mm (3.8in) ■Full length: 174mm (6.9in) ■Effective length: 150mm (5.9in) ■Compatible options: Lens Holder for Float Arm, Shoe Base Spacer
