Advanced get parabolic11/26/2023 ![]() By moving the light closer to the centre of the umbrella one can achieve a more focused beam of light with much greater contrast. When the light is further out a softer, less focussed beam of light is produced. The shape of the umbrella means you can change the focus or strength of the light, depending on where you position the lamp head inside the reflector. While there are a number of convoluted and lengthy definitions of the term parabola, in it’s most basic form it simply refers to a u-shaped line that is symmetrical across the line of symmetry.
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