Profoto Fresnel Small Fresnel Small projects a clean, crisp beam of light, similar to that of natural sunlight. Fresnel Small projects a clean, crisp beam of light, similar to that of natural sunlight. This compact, vented housing features a 15 cm (6'') glass fresnel lens, then adjustable beam-angle control and a tilting light stand mount. Filters can be attached to the front of the fresnel for additional lighting effects. It attaches to any Profoto flash head, without requiring an adapter, and is easily adjustable with its built-in iris control. It adjusts the diameter of it's projected beam and can also be used with all Profoto flash heads. Excellent for location interiors.