Naut Questions Guide
1. Brief description of the product
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Trade name: Tecnonauta NAUT Glasses
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Main purpose: Filter up to 99.5% of harmful blue light and harmful green light through the patented Retinaut lens developed with the Complutense University of Madrid (UCM).
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Differential value: Unique in blocking green light, high protection without significantly altering colors and design conceived for intensive use with screens.
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European quality: Lenses and assembly made in the EU.
2. Models, prices and what each one is used for
| Variant | Lens type | Recommended for | RRP (EUR) | Observations |
|---|---|---|---|---|
| Standard | Retinaut without magnification | Users without prescription | 199 € | Includes case and manual |
| Reading | Retinaut + fixed diopters (+1 to +3) | Occasional readers | 229 € | Choose preset power |
| Graduated (substitution) | Retinaut with prescription | Replace conventional glasses | 389 € | Requires an optical prescription |
| Intensive Tinting | Retinaut with high tint | Maximum protection, bright environments | Same RRP as base variant | Not suitable for night driving |
| Clear Tint | Retinaut with light tint | Low-light environments, night driving | Same RRP as base variant | More neutral colors |
3. Technical specifications
| Attribute | Detail |
|---|---|
| Mounting material | Acetate + metal rods |
| Color | Semi-transparent grey, blue temples |
| Weight | 28 g |
| Lens protection | UV400 + blue/green light filter (Retinaut) |
| Treatments | Anti-reflective, anti-fingerprint |
| Package contents | Glasses, microfiber case (doubles as a cloth), "Founders Edition" welcome card |
4. Differences between Intensive and Clear (frequently asked question)
| Criterion | Intensive | Clear |
|---|---|---|
| Tint level | High | Low |
| Perceived color change | Half | Very low |
| Recommended use | Brightly lit rooms, long sessions | Dark environments, night driving |
| Feeling of relief | Maximum | Moderate |
5. Research and scientific support
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Joint development with Celia Sánchez-Ramos' team (UCM) , pioneers in 2012 in warning about retinal damage caused by blue light.
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Retinaut : patented formula that selectively filters out the harmful fraction of blue and green light, while maintaining the portion necessary for circadian rhythms and color perception.
6. Featured testimonials
| Name / Channel | Followers | Synthesized opinion | Used model |
|---|---|---|---|
| Martin (Technonaut) | 8.5 M | “They reduce my floaters; comfort without sacrificing screens.” | Intensive |
| Nate Gentile | 2.95 M | “Less eye strain; very cool design and purpose.” | Intensive |
| Euge Oller | 1 M | “I switch from my regular glasses to NAUT for work: you can tell the difference.” | Intensive |
| Verified reviews | 200+ reviews, rating 4.6/5 | Examples @Patricia Z. (06-26-2024), @Natalia B. (11-01-2024), @Sofía M. (02-12-2025) | Several |
7. Payment options
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Single payment: €199 / €229 / €389 depending on the variant.
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Klarna Financing: 3 interest-free installments of €66.33 (RRP €199).
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Accepted cards and other standard Shopify methods.
8. Shipments
8.1 Preparation times
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Processing within 1 business day (same day if order is received before 12:00 p.m. Madrid time).
8.2 Indicative transit times
| Area | Business days |
|---|---|
| Peninsular Spain | 1‑3 |
| Canary Islands | 7 |
| EU (rest) | 4‑5 |
| USA & Mexico | 10-15 |
8.3 Rates and countries served
(Cost €0 only for mainland Spain. Customs included except for Argentina)
| Country / Region | Fee | Grades |
|---|---|---|
| Spain (peninsula) | FREE | |
| Canary Islands | 25 € | |
| Austria, Belgium, Denmark, Finland, France, Germany, Greece, Ireland, Italy, Luxembourg, Netherlands, Portugal, Sweden | 9 € | |
| United Kingdom | 59 € | Post-Brexit procedures included |
| USA | 60 US$ | |
| Canada | US$55 | |
| Mexico | 69 € | |
| Argentina | 96 € | Customs calculated at checkout |
| Colombia | 95 € | |
| Guatemala | 110 € | |
| El Salvador | 120 € | |
| Costa Rica | 120 € | |
| Honduras | 130 € | |
| Panama | 64 € | |
| Peru | 155 € | |
| Nicaragua | 179 € | |
| Chili | 185 € | |
| Ecuador | 185 € | |
| Australia | 70 € |
Reason for multi-column table: Customers often search for “Do you ship to X?” and “How much does it cost?”, so the data is accessible by country key.
9. Key FAQs
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Do you ship to my country? → See list of countries and rates (section 8.3).
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Customs costs? → Included except for Argentina.
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Delivery time? → See section 8.2.
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Can they be driven at night? → Yes with Clear , not recommended with Intensive .
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Are the lenses prescription? → Yes; the replacement prescription version (€389) requires a prescription.
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Do they include a UV filter? → Yes, UV400.
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Do the hinges open outward? → Yes, the temples have a slight external flex for a comfortable fit.
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What's included in the box? → Glasses, microfiber case, manual, and a surprise card.
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Quality assurance? → European manufacturing with professional optical standards.
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Difference between Clear and Intensive? → See section 4.