Dome Lens Extension IIIG by Inon
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Product number:
IN9726
The Dome Lens Extension IIIG uses a multi-coated optical glass lens that provides high image quality under all shooting conditions.
Dome lens extensions features a multi-coated optical dome element that effectively suppresses flare/ghost images and provides a sharp image with stable contrast even when shooting in bright and clear water. Installing this super wide-angle option on the UWL-95 C24 increases the underwater angle of view to approximately 141° and reduces the focusing range at a minimum focusing distance of 0 cm to bring the subject into focus on the lens surface.
Verdict: Superior ultra-wide dome lens suitable for a wide range of shooting conditions, not only for wide seascapes but also for Close Focus Wide Angle (CFWA).
The dome lens extensions IIIA and IIIG use the same lens tube, so that other dome material can be used if necessary (e.g. when replacing damaged original dome material).
NOTE: The IIIA/G dome lens unit must be used with the UWL-95 C24 series underwater lens and cannot be used as a standalone lens.
| Body Material: | aluminum |
|---|---|
| Lens type: | Wide angle |
| Pane material: | Optical glass |
| Port shape: | Domeport |
Technical data
- Outer diameter: 124.8 mm
- Length: 47.8 mm
- Weight: approx. 372 g
- Compatible attachment lens: INON UWL-95 C24 series
- Nominal depth: 60 m
- Material: Corrosion-resistant aluminium alloy, PC etc. with black alumite
- Lens material/coating: Optical glass with anti-reflective coating (inner surface)
- Max. Angle of view under water (*3) approx. 141°.
Scope of delivery
1 Dome Lens Extension IIIG by Inon
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Durable Construction
Lens barrel is made from durable Aluminum alloy with black hard coating. The dome is covered with hard coating as well, protecting it from easily getting scratched or damaged. During development, the lens was thoroughly tested in extreme conditions (depth, temperature, salinity and radiation) to ensure resistance and durability on the long run.
Rotatable Wings
Lens wings feature an improved design and can be rotated anytime underwater according to image composition without using any tools. Vertical and horizontal images can be easily captured without having the sun or strobes reflecting on the dome and interfering with crystal clear images.
Universal Compatibility
The lens features a 67mm thread mount, compatible with most housings available in the market today. Perfect to be used with compact, mirrorless or SLR housings. Two different adaptors are included with the lens, to ensure the best fit with all type of housings, sparing the need to solve ahead any compatibility issues or source additional adaptors separately. The base of the mount is covered with a rubber ring, providing a firm grip of the lens during installation and removal. Its narrow design allows using the lens with most lens holders, adaptors, bayonet mount converters, flip mounts and quick release adaptors.
Dome Lens Unit IIIA by INON
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Successfully delivers underwater angle of view approx. 141° when using with a digital camera equipped with a large (i.e. 1.0 inch) image sensor. Smaller size comparing to the previous Dome Lens Unit II.
The Dome Lens Unit IIIA Using High Transparency Optical Acrylic Material
High transparency and lightweight optical acrylic dome provides quality image on a level with that of optical glass dome. Acrylic is better tolerated than polycarbonate to discoloration by inevitable ultraviolet rays outdoors or scratches during long-term usage assuring underwater use. The acrylic version is budget-friendly so would be good choice for those thinking to start wide angle photography.
Optical Multi-coating Dramatically Improves Performance in Backlit Situation
Both acrylic and glass version are finished with optical multi-coating which suppresses flare/ghosting effectively when shooting in bright and clear water or using back lighting technique to produce clear and quality images with appropriate contrast.
Maximum Underwater Angle of View 141°
The UWL-95 C24’s native underwater coverage approx. 95° will further increase to approx. 141° by installing the Dome Lens Unit III. A compact digital camera equipped with a large 1.0-type image sensor fitted with this optical combination enables to deliver vivid wide angle imaging as like an action camera without vignetting.
*Rated angle of view is approximate value.
No Vignetting at Zoom Wide End 24 mm
Comparison shots by Sony DSC-RX100M5A at wide end (24 mm)
Dome Lens Unit II
Dome Lens Unit III
The Dome Lens Unit III is optimally designed for a compact digital camera equipped with a large 1.0-type image sensor enabling to shoot at wide end 24mm/f1.8 without vignetting. Compatible with a water-proof camera equipped with standard 1/2.3-type image sensor as well to shoot without vignetting at zoom wide end 25mm. No need to zoom in or change camera zoom setting not to have vignetting as like previous models.
Minimum Focusing Distance 0cm
As same as the UWL-95 C24 wide lens, a combination with the Dome Lens Unit III keeps same minimum focusing distance 0cm.* Both Close Focus Wide Angle (CFWA) imaging just in front of a subject or wide imaging to capture broad seascape are possible through the same lens combination.
*At zoom wide end
Usable with All Zoom Range
Usable throughout all zoom range.
For confirmed usable camera/housing click here
Selectable Dome Material When Repairing
Either acrylic or glass material is available when purchasing. The dome material is replaceable one to another when repairing based on usage or budget as both material use same dome lens barrel.
UWL-95 C24 Wide Conversion Lens Type I (M67)
Totally renewed optical design successfully supports shooting at 24 mm wide end by a digital camera equipped with large 1.0-type image sensor without vignetting to benefit enjoying quality underwater wide imaging in any situation.
Dual Use Land/Underwater
Maximum angle of view underwater is approx. 95°. When using on land, maximum angle of view increases approx. 159° to easily enjoy fisheye effect. Miniaturized lens body benefits you to capture both a subject in confined area and open space with camera stored in a housing. Combination with dedicated optional Dome Lens Unit III further increases maximum underwater angle of view up to 141°.
Minimum Focusing Distance 0cm
Installing the UWL-95 C24 on compatible camera/housing will have minimum focusing distance 0cm*. A subject just in front of the lens or distant seascape never get out of focus. The lens won’t limit shooting distance.
*When shooting at zoom wide end.
Renewed Optical Design for Quality Underwater Images
Redesigned optical construction effectively suppresses flare/ghosting even in unfavorable condition like shooting a subject with backlight. Optimized optical design for compatible cameras’ master lenses, brings out sharp contrast and clear images
Optical Anti-Reflection Coating (AR-Coating)
Having AR-coating on each optical element provides clear and stable image quality in any situation including unfavorable condition likely to have flare/ghosting.
Usable with All Zoom Range
Usable throughout all zoom range when using the UWL-95 C24.
Super Wide Option Compatibility for Underwater Angle of View 141°
Installing optional Dome Lens Unit IIIA/Dome Lens Unit IIIG increases the UWL-95 C24 native underwater angle of view 95° to 141°.
UWL-95 C24 M52 wide angle conversion lens by INON
The UWL-95 C24 is a completely renewed wide-angle conversion lens for 24 mm (35 mm equivalent) digital cameras.
Features of the UWL-95 C24
The maximum viewing angle is 95° underwater/159° in air (*1). The combination with the optional Super Wide Angle Dome Extension IIIA/Dome Extension IIIG further increases the angle of view underwater up to 141° (*1).
The completely renewed optical design effectively avoids flare/ghosting even in backlit conditions to deliver a sharp and high quality image. The UWL-95 C24 is designed to support a large sensor type 1.0 camera with fast prime lens. By using the UWL-95 C24, the minimum focusing distance can be drastically reduced, allowing the subject on the lens to be in focus both on land and underwater.
The mounting thread is an M52 socket. An optional M67 type1 screw ring for UWL-95 C24 or an M67 type2 screw ring for UWL-95 C24 is available as an option, making it easy to convert from M52 mount to M67 mount or to convert the original M67 type to the other type(*2).
Compatible camera systems (as of April 2020)
Olympus TG-6/PT-059
Olympus TG-5/PT-058
Olympus TG-3,4/PT-056
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Replacement O-Ring for INON Dome Lens Unit III, INON Port and Extrension Ring
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The new "XD Mount" bayonet mount from INON is easy to attach and detach by pressing the locking lever and turning the lens halfway.
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With the XD Mount, you don't have to worry about anchoring the lens due to salt build-up, as can happen with screw-type lens mounts.
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