The extension rings between the housing and the porthole are essential elements to ensure an optimal setup of your camera lenses. These rings allow you to adapt the distance between the lens and the porthole, ensuring optimal performance and sharp images.

WHY USE AN EXTENSION RING?

Using an extension ring allows you to:

• Optimize focal distance: Avoid vignetting and distortion, ensuring clear and high-quality images.
• Adapt different lenses: Each lens has specific requirements in terms of distance from the port. Extension rings allow you to use a wide range of lenses without issues.
• Improve ergonomics: A correct configuration facilitates underwater use, enhancing the photographic experience.
  
  

CORRECT CONFIGURATION BENEFITS

• Superior Image Quality: Minimizes optical aberrations.
• Versatility: Allows the use of different lenses without compromising quality.
• Reliability: Ensures that the equipment remains safe and functional even during deep dives. (Maximum working depth 100m)
  
  

HOW TO CHOOSE THE RIGHT EXTENSION RING

To determine which extension ring to use with your specific lens, consult the port chart. This list provides precise indications on the necessary length of the extension ring for each lens, ensuring a perfect configuration.

STEPS TO CHOOSE THE EXTENSION RING

• Verify your lens model: Identify the exact model of your lens.
• Consult the port chart: Find your lens in the dedicated list provided in the appropriate section on this website.
• Select the recommended extension ring: Follow the specified guidelines to ensure you use the correct ring.