Protect your eyes from excessive blue light with the GUNNAR Emery Glasses. It features Clear GBLF 35 lenses, which can block 35% of blue light and also provide 100% UV protection. The lenses have a wide format to provide a panoramic viewing experience. The lenses also have an anti-reflective coating on both the front and back sides. Made of a high-quality acetate material, the glasses provide lightweight construction and proper weight balance. This allows you to wear the glasses for long periods of time without pressure points or fatigue.

Clear GBLF 35 Lenses    Blocks Up to 35% of Blue Light    100% UV Protection    High Quality Acetate Material    Wide Format Lenses for Panoramic Viewing    Anti-Reflective Lens Coating

Similar to how the Sun Protection Factor (SPF) measures UV protection for your skin, the GUNNAR Blue Light Filter (GBLF) scale indicates how much protection you have against artificial blue light. These amber lenses block up to 35% of blue light emissions, providing an optimal balance between protection and sight performance.

Related Questions and Answers

Q: 1. Does this Prism contain lead?

A: No.

Q: 2. What is the product weight for the 9.25 to 64.37" option?

A: The total weight of the Benro Tortoise Carbon Fiber 3 Series Tripod System with S4Pro Video Head is 6.17lbs.

Q: 3. Is the folded length of 22.83" with the ball head? What would be the folded length without the ball head?

A: The ball head BH #BEGX35 is 3.5 inches high. So without the head it would closely be 19.33 "

Q: 4. is there a bubble of the leveling base ?

A: The Benro Tortoise Column less #3 Carbon Fiber Tripod does not have a bubble level on its leveling base. This feature is typically provided on a compatible quick release system or tripod head.

Q: 5. What is the leg diameter?

A: Leg Diameter 1.28" / 32.4 mm (Maximum) 0.86" / 21.8 mm (Minimum)

Q: 6. The ball head can be removed, correct?

A: Yes it can!

Q: 7. How long is it? 1"? 2"? 3"?

A: It's about 6 inches long.

Q: 8. What's the difference between the 2 series and 3 series tortoise video tripods? Other than price.

A: Here is a detailed comparison of the Benro Tortoise Carbone Fiber 3 and 2 Series Video Tripods. https://benrousa.com/compare/628/558

Q: 9. What material are these made of?

A: This is made of high quality solid K9 Optical Glass material. K9 is a Chinese Optical Borosilicate Crown Crystal (Optically Clear) with low inclusions and imperfections ideal for use in lenses and prisms, optics and decorative crystal lighting. K9 crystal offers a high refractive index and high clarity.

Q: 10. Can you specify the weight of the camera? How can I get it while I'm in India?

A: It is around 2.9lbs (1.32kg). We are shipping to India, so if you order online it'll give you the approximate shipping time which could be ~3-5 days.