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A581 2808 - aspherical lens for illumination
Category: | LED optics |
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Diameter: | 28 |
Focal distance: | 25 |
Lens A581 is a high power lens with small diameter and low thickness. Both lens surfaces are molded. Focal length of 25mm gives a long distance over which a beam angle can be modified. You can find more information about how to modify beam angle with mutual position of light source and lens in description of A011.