3M SecureFit SF402AF Safety Glasses (Amber, Anti-Fog)
The 3M SecureFit SF402AF are premium SecureFit 400 Series safety glasses with an amber anti-fog lens, certified to EN 166. The amber tint sharpens contrast in low light and the anti-fog coating keeps the lens clear, making them ideal for night-shift machining and dim indoor work.
Product overview
The SecureFit 400 Series is 3M’s premium spectacle line with a refined frame and durable coatings. Because the SF402AF combines an amber contrast lens with an anti-fog (and anti-scratch) treatment, it helps workers see clearly in low light without fogging during temperature changes. The polycarbonate lens is impact-resistant to EN 166.
Key features and benefits
- Amber contrast lens: brightens and sharpens vision in low light.
- Anti-fog & anti-scratch: stays clear and resists abrasion.
- Self-adjusting temples: Pressure Diffusion Technology fits many head sizes comfortably.
- Premium 400 Series frame: lightweight and refined for all-day wear.
- EN 166 certified: impact-resistant polycarbonate lens.
Main industries and applications
- Night shift machining: low-light contrast and clear vision.
- Dim indoor work: warehouses and plant rooms.
- Manufacturing & assembly: general impact eye protection.
- Inspection: tasks needing better contrast.
Technical specifications
| Attribute | Specification |
|---|---|
| Model | 3M SecureFit SF402AF (400 Series) |
| Type | Safety spectacles |
| Lens | Amber, anti-fog and anti-scratch, polycarbonate |
| Temples | Self-adjusting (Pressure Diffusion Technology) |
| Standard | EN 166 |
| Brand / Origin | 3M |
Why buy from Techmaster Electronics
Techmaster Electronics is an authorised supplier of 3M personal protective equipment in Vietnam. We supply genuine 3M eye protection, advise on the right lens and fit for your work, and provide dependable after-sales support. Contact Techmaster for a free consultation and a quotation.
Frequently asked questions
What is the amber lens for?
The amber tint enhances contrast in low light, useful for night shifts and dim indoor work.
How is the SF402AF different from the SF410AS?
The SF402AF has an amber anti-fog lens for low light, while the SF410AS has a clear anti-scratch lens for dusty general work.
What does the self-adjusting temple do?
3M’s Pressure Diffusion Technology lets the temples flex to fit a wide range of head sizes comfortably.
Are the lenses impact-resistant?
Yes. The polycarbonate lens is impact-resistant and certified to EN 166.



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