Product specifications: 44.5 mm optical lens

Outside diameter: 44.3 mm

Inside diameter: 39.3 mm

19 mm high degree of:

The edge thickness: 3.0 mm tolerance + / - 0.1 mm

Edge width: 2 mm

The focal distance: 20 mm

Light penetration rate: 99%

Light refraction: 1.95%

The light Angle: 5-90 degrees (change the distance between the lens and the light source can adjust luminosity number， can get different light Angle between 5-90 degrees)

Material: high temperature resistant optical glass

Optical glass lens is suitable for the LED lamp， automobile lamp， flashlight， projection lamp is special， selects high borosilicate material resistant to high temperature， Angle can be adjusted the 90-90 degrees， is suitable for 1 w， 3 w， 5 w and 8 w， 10 w， 15 w， 20 w， 50 w and 100 w high power LED application products.