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A hologram must be lit with a suitable (as near to a point) light source, and at the correct angle and distance in order to see the holographic image. The type of light source used is important in that it affects the quality of the image seen, as demonstrated in the photo comparison below which shows the same hologram lit with three different light sources. The first picture shows the hologram lit with a standard halogen bulb and is noticeably more blurry than the other two pictures, the deepest objects in the scene blurring more than those closest to the surface of the hologram.
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This haziness is due to the large physical size of the bulb which often includes a refelctor making it appear even larger still. An LED is a much smaller light source yet can give a similar light output to a hologen bulb. This is a better way to light the hologram as shown in the second picture which is noticeably more sharper. The third picture shows the ideal form of illumination for the hologram in which it is being lit using the same lighting arrangement used to record the hologram in the first place. We will provide advice on the most suitable form of the lighting for your hologram depending on how and where it will be displayed. |
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Halogen Illumination
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LED Illumination
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Ideal Illumination
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