TOKAI G1.8

Ultra-thin glass lenses with an ultra high refractive index of 1.807

Type	Ultra thin glass lenses
Category	Single vision lenses
Material	Ultra-high index glass
UV protection	---
Coating	Multi coating
Refractive index	1.807
Abbe number	34
Specific gravity	3.5g/c.c.
Transmittance	99%
Color	Brown, Smoke. For more information, inquire with a shop.
Balancing thickness of lens in a pair of glasses	---
Thinning plus lenses	---
Thinning minus lenses	Minus slice processing
Special processing	Pro Guard coating
Categories for luminous transmittance	Clear spectacle lenses
Driving	Appropriate
Driving at night	Appropriate