4 o LED Optic If your application requires a narrower beam angle than usual but you still require a compact, inexpensive solution then choose the 4 o Optic from Carclo. This optic has been optimised to give a bright, sharply defined spot of light. The optics can be used with all Luxeon colour, wattage and package types. Optimised for Luxeon LED's Two versions are currently available, one that produces a circular 4 o beam and the other that gives a 4 o x 25 o ellipsoidal beam. The optics are made from Lens Quality Polycarbonate; they exhibit high thermal stability and long term durability. 4 o Beam angle (HWHP) Available with holder Lens Quality Polycarbonate Lenses can be supplied seperately or with holders. For the full range of holders refer to table below. Thermally stable 4 o Optic Holder Holder fits neatly onto a Luxeon Star Board ensuring that the lens is centred and held at the optimum focal distance. Available in Black or White colours for 1, 3 or 5 Watt Luxeons . Part No. Description Colour Dim'n 'D' Dim'n 'E' 10064. For 1 Watt Luxeon Black 17.15mm 22.7mm 10065 For 1 Watt Luxeon White 17.15mm 22.7mm 10076 For 3 and 5 Watt Luxeon Black 16.15mm 21.7mm 10077 For 3 and 5 Watt Luxeon White 16.15mm 21.7mm 'D' See table 'E' See table Designed for the 4 o optic, the Optical Performance Tables 4 o Circular Optic Lux at 3m Range Part No. 10048 Typical half angle divergence 4 o + / - 1 o when used with 1W White Luxeon LED 4 o x 25 o Elliptical (Line) Beam Optic Part No. 10049 Typical half angle divergence 25 o + / - 3 o and 4 o + / - 1 o when used with 1W White Lux at 3m Range Notes: Measurements have been made with a 1W Luxeon Lambertian LED. The measured efficiency for all optics is approx 85%. 4 o Assembly 4 o LED Optic mounted in standard holder onto Luxeon 1W star board Section through 4 o LED Optic, Optic Holder and Luxeon 1W star board