Release of ZD Front Mask for GO Ultra New!
INON INC. will release the new ZD Front Mask designed to fit the GO Ultra Dive Case, and a grip set, which includes 4D Light Grip allowing for attaching an optional underwater light, on November 11, 2025.
The ZD Front Mask allows easy use of a wide range of action camera lenses, including the large-aperture underwater semi-fisheye conversion lens ‘UFL-GR140 ZD’ (*) that works in all GO Ultra shooting modes without vignetting, the compact ‘UFL-G140 ZD’, and the underwater close-up lenses ‘UCL-G165II ZD’, ‘UCL-G100 ZD’, and ‘UCL-G55 ZD’.
Lens hoods included with UFL-GR140 ZD shipped before Augst 3, 2025 may be visible in footage. Please use the updated "Lens Hood II (for UFL-GR140)" which is available for separate purchase. The UFL-GR140 ZD shipped after this date comes with the Lens Hood II.
Release of ZD Front Mask for GO Ultra New!
INON INC. will release the new ZD Front Mask designed to fit the GO Ultra Dive Case, and a grip set, which includes 4D Light Grip allowing for attaching an optional underwater light, on November 11, 2025.
The ZD Front Mask allows easy use of a wide range of action camera lenses, including the large-aperture underwater semi-fisheye conversion lens ‘UFL-GR140 ZD’ (*) that works in all GO Ultra shooting modes without vignetting, the compact ‘UFL-G140 ZD’, and the underwater close-up lenses ‘UCL-G165II ZD’, ‘UCL-G100 ZD’, and ‘UCL-G55 ZD’.
Lens hoods included with UFL-GR140 ZD shipped before Augst 3, 2025 may be visible in footage. Please use the updated "Lens Hood II (for UFL-GR140)" which is available for separate purchase. The UFL-GR140 ZD shipped after this date comes with the Lens Hood II.
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ZD Front Mask for GO Ultra
-- Release date: November 11, 2025
-- JAN/EAN code : 457001812 126 5
ZD Front Mask for GO Ultra Grip Set
-- Release date: November 11, 2025
-- JAN/EAN code : 457001812 127 2
| ZD Front Mask for GO Ultra | ZD Front Mask for GO Ultra Grip Set | |
| Compatible housing | Insta360® GO Ultra | |
| Mount | INON ZD Mout | |
| Compatible lens | UFL-GR140 ZD UFL-GR140 Pro ZD UFL-G140 ZD UCL-G165II ZD UCL-G100 ZD UCL-G55 ZD |
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| Size (excl. handle) | 82.0 mm / 3.2 in (W) 98.0 mm / 3.9 in (H) 41.0 mm / 1.6 in (D) |
- |
| Weight (incl. handle) | Approx. 61 g / 2.2 oz [air] Approx. 25 g / 0.9 oz [underwater] |
- |
| Material | PC, POM etc. | |
| Accessory | Male Adapter (GP) | 4D Light Grip, Male Adapter (GP) |
| Compatibility* | Click here | |
| Remarks | Third party housings are not supported. When removing the camera, always detach the front mask first; leaving it attached will make opening and closing the housing buckle difficult. | |
(*) For information on the Front Mask and lens vignetting, please refer to the compatibility information above.
Even if marked “compatible,” vigorous camera movement may cause the lens hood or Focus Stick to appear in the frame. For reference only.
| ZD Front Mask for GO Ultra | ZD Front Mask for GO Ultra Grip Set | |
| Compatible housing | Insta360® | |
| Mount | INON ZD Mout | |
| Compatible lens | UFL-GR140 ZD UFL-GR140 Pro ZD UFL-G140 ZD UCL-G165II ZD UCL-G100 ZD UCL-G55 ZD |
|
| Size (excl. handle) | 82.0 mm / 3.2 in (W) 98.0 mm / 3.9 in (H) 41.0 mm / 1.6 in (D) |
- |
| Weight (incl. handle) | Approx. 61 g / 2.2 oz [air] Approx. 25 g / 0.9 oz [underwater] |
- |
| Material | PC, POM etc. | |
| Accessory | Male Adapter (GP) | 4D Light Grip, Male Adapter (GP) |
| Compatibility* | Click here |
|
| Remarks | Third party housings are not supported. When removing the camera, always detach the front mask first; leaving it attached will make opening and closing the housing buckle difficult. | |
(*) For information on the Front Mask and lens vignetting, please refer to the compatibility information above.
Even if marked “compatible,” vigorous camera movement may cause the lens hood or Focus Stick to appear in the frame. For reference only.
| 4D Light Grip | |
| Mount | GP Standard + YS Standard |
| Size(excl. handle) | 135 mm / 5.3 in (H) 28 mm / 1.1 in (W, grip 19 mm / 0.8 in) 48 mm / 1.8 in (D) |
| Weight(incl. handle) | Approx. 60 g / 2.1 oz [air] Approx. 20 g / 0.7 oz [underwater] |
| Material | Polycarbonate, etc. |
| Accessory | Hand Strap |
| 4D Light Grip | |
| Mount | GP Standard + YS Standard |
| Size (excl. handle) |
135 mm / 5.3 in (H) 28 mm / 1.1 in (W, grip 19 mm / 0.8 in) 48 mm / 1.8 in (D) |
| Weight (incl. handle) |
Approx. 60 g / 2.1 oz [air] Approx. 20 g / 0.7 oz [underwater] |
| Material | Polycarbonate, etc. |
| Accessory | Hand Strap |
November 6, 2025
INON INC.
*Press release information is as of November 6, 2025 and subject to change without prior notice.








