The LG-577N laser safety goggles proviode protection against yellow lasers operating at 577 nm.  They have an optical density of 5+. Full specifications are shown below. If you have any questions feel free to contact us at info@dioptika.com and one of our laser safety experts will be happy to help.

LG-577N 577 nm Yellow Laser Safety Goggles Australia (lasersafetyglasses.com.au)

Full specifications marked on teh glasses are shown below.

Wavelengths (nm) / OD

190-400 6+
575-579 5+