Description of the article « CRESSI SUB NANO (progressive) »

Cressi Nano Progressive Prescription Freediving Mask – Custom Optical Lenses for Crystal-Clear Underwater Vision

Progressive Prescription Lenses for Diving and Freediving Masks

Enhance your underwater experience with our premium progressive prescription lenses specially designed for diving and freediving masks. Whether you require distance correction, near vision correction, or both, our advanced progressive lenses provide seamless, sharp, and natural vision at every distance underwater.

Unlike traditional bifocal diving lenses, progressive lenses eliminate the visible segment line, image jump, and restricted intermediate vision. You can comfortably read your dive computer, monitor equipment, and enjoy the underwater environment with uninterrupted visual clarity.

For complete confidence, every pair of progressive lenses is supplied with a 6-month adaptation guarantee.

Expert Lens Fitting in France

All prescription lenses are carefully fitted in our workshop in Auvergne, France, following strict optical quality standards. Each mask is individually assembled to ensure perfect waterproof sealing, exceptional optical performance, and long-lasting reliability.

5-Year Lens Bonding Warranty

We provide a 5-year warranty on lens bonding, guaranteeing durability and performance even in demanding underwater environments.

Personalized Service from Certified Opticians

Our experienced team of qualified opticians guides you throughout the ordering process. Every prescription diving mask is individually reviewed to ensure optimal visual performance.

If required, we personally contact you to discuss technical details and verify the best solution for your vision needs.

Easy and Accurate Measurements

Our simplified measurement process ensures maximum precision when manufacturing your custom progressive diving lenses. Whether ordering online or in-store, clear instructions and professional support guarantee a perfect fit and exceptional visual comfort from your very first dive.

Compatible with Virtually Any Diving Mask

Our progressive prescription lenses can be fitted to almost any diving or freediving mask on the market. If your preferred model is not listed in our catalog, simply contact us for a custom solution.

Cressi Nano Freediving Mask – Compact Design, Low Volume and Exceptional Performance

The Cressi Nano is a premium freediving mask designed for divers seeking maximum performance, superior comfort, and outstanding underwater visibility. Its ultra-compact design and extremely low internal volume make it one of the most popular masks among freedivers and spearfishers worldwide.

Ultra-Low Volume Design

The Cressi Nano features an exceptionally low internal volume, reducing the amount of air required for equalization during descent. This makes it ideal for deep freediving and spearfishing, helping divers conserve energy and improve efficiency underwater.

Its hydrodynamic profile minimizes drag while maintaining excellent visibility and comfort.

Superior Comfort and Perfect Fit

The soft anatomical silicone skirt conforms naturally to the contours of the face, ensuring a secure seal and outstanding comfort.

Its quick-adjust buckle system allows precise strap adjustments for a customized fit, minimizing pressure points during long freediving sessions.

Outstanding Underwater Visibility

Equipped with high-quality tempered glass lenses, the Cressi Nano delivers crystal-clear vision and a wide field of view despite its compact dimensions.

The optimized lens positioning provides excellent downward visibility, making it easier to monitor equipment, spearfishing targets, and underwater surroundings.

Durable and Easy to Maintain

Constructed from premium materials, the Nano is built to withstand repeated use in saltwater environments. After each dive, a simple freshwater rinse is all that is needed to maintain flexibility, lens clarity, and long-term performance.

Why Choose the Cressi Nano Progressive Prescription Mask?

• Custom-made progressive prescription lenses

• Seamless near, intermediate, and distance vision

• Ultra-low volume freediving mask

• Wide field of vision with tempered glass lenses

• Soft silicone skirt for superior comfort

• Easy equalization during deep dives

• 6-month adaptation guarantee

• 5-year lens bonding warranty

• Professionally fitted by certified French opticians

Perfect for Freediving and Spearfishing

The Cressi Nano is specifically designed for freedivers and spearfishers seeking a compact, hydrodynamic, and high-performance mask. Combined with custom progressive prescription lenses, it offers unmatched underwater vision and comfort.

Important Notice

Please note that according to Article L221-28 of the French Consumer Code, the right of withdrawal does not apply to products manufactured according to the customer's specifications, including prescription diving masks fitted with corrective lenses.

The 5-year bonding warranty applies only to lenses installed on a new mask.

The 6-month adaptation guarantee does not cover issues resulting from an incorrect prescription provided by the customer or errors made during the eye examination performed by a third-party professional.