We are pleased to announce a new 90 Mega Float Arm 160/208 and its optional FA Ball 45 on April 11, 2026.
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Feature
97 mm outer diameter for powerful buoyancy
As the successor to the Mega Float Arm series, it offers increased buoyancy compared with previous models. Its strong buoyancy significantly reduces the underwater weight of heavy camera systems.
- 90 Mega Float Arm 160 : Buoyancy 437g/15.4oz
- 90 Mega Float Arm 208 : Buoyancy 694g/24.5oz
Detachable Ball for Adjustable Arm Length
The ball is removable and replaced with the optional “FA Ball 45" to extend the effective arm length by 20mm/0.8in on one side, or by 40mm/1.6in when both sides are replaced, giving you greater flexibility to customize the arm length to suit your setup.
Left : FA Ball 25 (included)
Right : FA Ball 45 (optional)
90 Mega Float Arm 160
When both sides are fitted with FA Ball 45
Effective Length : 160mm/6.30in → 200mm/7.87in
90 Mega Float Arm 208
When both sides are fitted with FA Ball 45
Effective Length : 208mm/8.19in → 248mm/9.76in
Versatile Ball
The ball features a 3/8-inch threaded hole, allowing you to attach an optional parts such as the YS Ball Adapter. This enables you to mount a light or action camera directly and simply, without clamp.
Compatible with Lens Holders
Up to two compatible lens holders can be attached.
(Compatible models include Lens Holder for Float Arm and Lens Holder M5)
Specifications
| Model | 90 Mega Float Arm 160 | 90 Mega Float Arm 208 | |||
| Air | U/W | Air | U/W | ||
| Weight | As shipped | 244g/8.6oz | -437g/15.4oz | 326g/11.5oz | -694g/24.5oz |
| 1x FA Ball 25 1x FA Ball 45 |
249g/8.8oz | -433g/15.3oz | 331g/11.7oz | -690g/24.3oz | |
| 2x FA Ball 45 | 254g/9.0oz | -429g/15.1oz | 336g/11.9oz | -686g/24.2oz | |
| Effective length | As shipped | 160mm/6.3in | 208mm/8.2in | ||
| 1x FA Ball 25 1x FA Ball 45 |
180mm/7.1in | 228mm/9.0in | |||
| 2x FA Ball 45 | 200mm/7.9in | 248mm/9.8in | |||
| Outer diameter | Φ97mm/3.8in | ||||
| Material | ABS / corrosion-resistant aluminum alloy / rubber etc. | ||||
| Depth rating | 70m/230 feet | ||||
| Options | YS Ball Adapter Ball Adapter for GoPro Lens Holder for Float Arm (various types) Lens Holder M5 (various types) Shoe Base Spacer |
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90 Mega Float Arm 160/208, FA Ball 45
We are pleased to announce a new 90 Mega Float Arm 160/208 and its optional FA Ball 45 on April 11, 2026.
90 Mega Float Arm 160
-- Released date: April 11, 2026
-- JAN/EAN code : 457001812 132 6
90 Mega Float Arm 208
-- Released date: April 11, 2026
-- JAN/EAN code : 457001812 133 3
FA Ball 45
-- Released date: April 11, 2026
-- JAN/EAN code : 457001812 134 0
Feature
97 mm outer diameter for powerful buoyancy
As the successor to the Mega Float Arm series, it offers increased buoyancy compared with previous models. Its strong buoyancy significantly reduces the underwater weight of heavy camera systems.
- 90 Mega Float Arm 160 : Buoyancy 437g/15.4oz
- 90 Mega Float Arm 208 : Buoyancy 694g/24.5oz
Detachable Ball for Adjustable Arm Length
The ball is removable and replaced with the optional “FA Ball 45" to extend the effective arm length by 20mm/0.8in on one side, or by 40mm/1.6in when both sides are replaced, giving you greater flexibility to customize the arm length to suit your setup.
Right : FA Ball 45 (optional)
90 Mega Float Arm 160
When both sides are fitted with FA Ball 45
Effective Length : 160mm/6.30in → 200mm/7.87in
90 Mega Float Arm 208
When both sides are fitted with FA Ball 45
Effective Length : 208mm/8.19in → 248mm/9.76in
Versatile Ball
The ball features a 3/8-inch threaded hole, allowing you to attach an optional parts such as the YS Ball Adapter. This enables you to mount a light or action camera directly and simply, without clamp.
Up to two compatible lens holders can be attached.
(Compatible models include Lens Holder for Float Arm and Lens Holder M5)
Specifications
| Model | 90 Mega Float Arm 160 | 90 Mega Float Arm 208 | |||
| Air | U/W | Air | U/W | ||
| Weight | As shipped | 244g/8.6oz | -437g/15.4oz | 326g/11.5oz | -694g/24.5oz |
| 1x FA Ball 25 1x FA Ball 45 |
249g/8.8oz | -433g/15.3oz | 331g/11.7oz | -690g/24.3oz | |
| 2x FA Ball 45 | 254g/9.0oz | -429g/15.1oz | 336g/11.9oz | -686g/24.2oz | |
| Effective length | As shipped | 160mm/6.3in | 208mm/8.2in | ||
| 1x FA Ball 25 1x FA Ball 45 |
180mm/7.1in | 228mm/9.0in | |||
| 2x FA Ball 45 | 200mm/7.9in | 248mm/9.8in | |||
| Outer diameter | Φ97mm/3.8in | ||||
| Material | ABS / corrosion-resistant aluminum alloy / rubber etc. | ||||
| Depth rating | 70m/230 feet | ||||
| Options |
YS Ball Adapter Ball Adapter for GoPro Lens Holder for Float Arm (various types) Lens Holder M5 (various types) Shoe Base Spacer |
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Product page
Manual
April 11, 2026
INON INC.
*Press release information is as of April 11, 2026 and subject to change without prior notice.