A Fresnel is a type of compact lens originally developed by French physicist Augustin-Jean Fresnel for lighthouses. The design allows for the construction of lenses, of large aperture and short focal length, without the mass and volume of material that would be required by a lens of conventional design. A Fresnel lens can be made much thinner than a comparable conventional lens and a Fresnel lens can capture more oblique light from a light source. The Ianiro Fresnel Lens unit for the Mintaka LED Light, increases the light's output considerably, without the need of increasing the current, making the beam very uniform and directional. An ideal accessory to have ever present in your kit, it's to be used whenever the set requires more intensity and precise control of the light beam on the subject. Use it with or without barn doors
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