Features:

Completely blocks UV radiation into the violet region of the visible spectrum.

Counters unsharpness caused by chromatic aberrations within the UV light spectrum.

Absorbs UV light and reduces bluish cast of daylight.

Brass filter ring helps to prevent jamming and provides additional strength.

Specifications:

Size:15*28*1.1mm

Tave<1%, Tmax<4%@300-380nm

Tmin>85%@430-720nm(400)Tave<1%

Lens for Auto-darkening Welding Helmets

Optical Performance

200~365nm T<0.01%

540~560nm Tmin.≥50%

780~1300nm T< 0.02%

1300~2000nm T< 0.05%

Substrate Material

Schott B270, Float Glass, tor Equivalent Glass

Thickness(mm) 1.1/0.7/0.55

Length × Width 101×46mm, 96×48, 114×54, 104×52

Low Temperature Test > 8 hours @ -45 degree C

Humidity Test > 24 hours @ 40 degree C/90% RH

High Temperature Test > 150 hours @ 90 degree C