Protect your eyes from excessive blue light with the GUNNAR Emery Glasses. It features Amber GBLF 65 lenses, which can block 65% 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.

Amber GBLF 65 Lenses    Blocks Up to 65% 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 65% of blue light emissions, providing an optimal balance between protection and sight performance.

Related Questions and Answers

Q: 1. how to switch between ef and pl mount?

A: The screws at the rear of the existing mount on the BLAZAR LENS Great Joy 50mm T2.9 1.8x Anamorphic Lens (PL + EF-Mounts, Blue Flare) will need to be removed in order to replace it.

Q: 2. 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: 3. will this fit a Sony a7siii?

A: The BLAZAR LENS Great Joy 50mm T2.9 1.8x Anamorphic Lens (PL + EF-Mounts, Amber Flare) would not mount on a Sony a7S III Mirrorless Camera. For the E mount version, you would need the BLAZAR LENS Great Joy 50mm T2.9 1.8x Anamorphic Lens (E-Mount, Amber Flare), BH #BL502918EA.

Q: 4. does this come with a mount for the camera, so it wouldn’t need a third hand to hold on to it?

A: No, the bottom is threaded and can attach to a tripod.

Q: 5. With it having an 8.8lb payload, is that for the head? I need to put a weight to stabilize shake.

A: Yes, the payload of 8.8 lbs on the Benro Tortoise Carbon Fiber 3 Series Tripod System with S4Pro Video Head is for the weight support for the S4Pro Video Head.

Q: 6. Does this Prism contain lead?

A: No.

Q: 7. I do wonder what will the lens perform like on blackmagic6k pro taking in consideration the sensor of the camera?

A: The BLAZAR LENS Great Joy 50mm T2.9 1.8x Anamorphic Lens (PL + EF-Mounts, Amber Flare) would be able to mount to the Blackmagic Design Pocket Cinema Camera 6K Pro (Canon EF). However, it would be better to use an anamorphic designed for Super 35-sized sensors for the best optics and performance.

Q: 8. Can this lens be used with Speedboosters (EF to MFT .71)?

A: Using the BLAZAR LENS Great Joy 50mm T2.9 1.8x Anamorphic Lens (PL + EF-Mounts, Blue Flare) with the EF mount and speed booster is possible but performance is not guaranteed.

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.