Model: ALST50D4LEDT2NB
Diameter: 50*50mm
Height: 8.73mm
Angle: Type II Medium No Backlight
Material: PMMA
Transmittance: >93%
LED Applications: "3535" "5050"
Lighting applications: Street Lighting
ASAHI OPTICS ALST50D4LEDT2NB lens 3D Drawing.stp
ASAHI OPTICS ALST50D4LEDT2NB Drawing.pdf
ASAHI OPTICS ALST50D4LEDT2NB lens IES.ies
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Light Distribution Curve
LED LENS Maintenance Instruction
1) If necessary, clean lenses with mild soap, water, and softening cloth.
2) Never use any industrial solvent to clean lens, such as cleaning Solvent, Alcohol Sulfuric acid, Ammonia, Urea, Mineral oil, Petrol
3) The lens operating Temperature range -40°to+120°C
4) Alternatively the following environment is recommended: Storage temperature: -40°C to +70°C, Humidity:30% to 95% HR mar.
5) The lens has concentrated function, and it’s made from transparent material, The functions will be affected once they were polluted, so please do not open the packages until you use them, in case of dust and other pollution.
6) Please handle or install lens with wearing gloves, skin oils may damage lens optical characteristic.
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