Magis 300-500-650. The Desisti family of quartz-halogen studio fresnels are rugged, compact and light weight. The Desisti Leonardo Line begins with the versatile Magis Fresnel which houses a 300, 500 or 650 watt bi postal lamp and can be purchased individually with manual or pole operated yokes, or in a portable lighting kit. Particularly suitable where efficiency, compactness, ruggedness and lightness are required either for studio or outdoor performances. The Magis series bring to the user, further to durability and ease of maintenance, the benefit of full stainless steel casing. The Magis 300 – 500 – 650 W maintain the performances of a smooth spot and flood focusing.