Description
The Sea & Sea Extension Ring 20L with Port Lock Feature (SS-30123) is a precision-engineered port extension designed to ensure proper lens-to-port alignment when using longer or specialized lenses with Sea & Sea underwater housings. By extending the port system, it helps maintain optimal image quality and prevents vignetting when paired with compatible dome or flat ports.
Equipped with an integrated port lock feature, this extension ring adds an extra level of security by preventing accidental port rotation or loosening during dives—giving photographers peace of mind in demanding underwater environments.
Key Benefits:
- Extends port length for proper lens compatibility
- Helps eliminate vignetting and maintain image quality
- Integrated port lock system for added security underwater
- Durable construction for reliable long-term use
- Compatible with Sea & Sea modular port systems
Who It’s For:
- Underwater photographers using interchangeable lenses
- Users of Sea & Sea housings needing precise port configuration
- Photographers working with wide-angle or specialty lenses
- Divers seeking a secure and stable port setup
What’s Included:
- Sea & Sea Extension Ring 20L with Port Lock Feature
Specifications:
- Product Type: Port Extension Ring
- Length: 20L
- Compatibility: Sea & Sea housing and port systems
- Feature: Integrated port lock mechanism
- Material: Corrosion-resistant construction
- Model: Extension Ring 20L
- SKU: SS-30123
FAQ
What is the purpose of an extension ring?
It adjusts the distance between the camera lens and the port to ensure proper optical alignment and avoid vignetting.
When do I need this extension ring?
It is required when using specific lenses that need additional spacing to match the correct port configuration.
What does the port lock feature do?
It prevents the port from rotating or loosening during dives, improving safety and reliability.
Is this compatible with all Sea & Sea ports?
It is designed for use within the Sea & Sea modular port system, but compatibility depends on your specific housing and lens setup.