Nauticam 3" (75mm) Double Ball Arm (SKU: 72201)
The compact Nauticam 3" (75mm) Double Ball Arm (SKU: 72201) provides essential extension and flexibility for underwater photography and videography rigs. Precision-machined from hard-anodized aircraft-grade aluminum, this short extension arm features standard 1-inch (25mm) ball mounts on both ends with integrated rubber O-ring friction rings. It is ideal for macro lighting setups, attaching focus lights, or adding precise extension between housing mounts and primary arm segments.
Integrated Rubber O-Ring Grip & Hard-Anodized Marine Durability
Both 1-inch ball ends feature embedded high-grade rubber O-rings that increase friction inside standard clamps. This allows you to adjust light positions with minimal clamp tension, preventing arms from slipping under the weight of heavy underwater strobes or video lights.
Key Features & Performance Highlights
- Compact 3-Inch (75mm) Length: Ideal short extension segment for tight macro photography setups, focus lights, or close-range lighting control.
- Universal 1-Inch Ball Joint Ends: Fully compatible with standard 1" (25mm) ball clamps from Nauticam, Ultralight, Kraken, and Ikelite.
- Friction Rubber O-Rings: Integrated rubber rings on each ball end provide superior hold and smoother articulation under load.
- Hard-Anodized Aluminum Construction: Machined from high-grade aluminum alloy and treated with marine-grade hard anodizing for maximum corrosion resistance in salt water.
Technical Specifications
| Brand / Manufacturer | Nauticam |
| Model Name | 3" (75mm) Double Ball Arm |
| Manufacturer SKU | 72201 |
| Arm Length (Center-to-Center) | 3 Inches / 75 mm |
| Ball Joint Size | Standard 1-Inch (25 mm) Double Balls |
| Material | Hard-Anodized Marine Aluminum & Nitrile Rubber O-Rings |
| Primary Application | Macro lighting, focus light positioning, and short arm extension |
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