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SOLAR 250/100C ACCESSORIES: LENSES
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| Kaleidoscope [FG6110] Replaces the standard focussing lens in your Solar projector A pair of mirrors run the length of the lens tube to create a kaleidoscopic effect from your image wheel. Your projection takes the form of a six sided image. Lens Angles The focal length of a lens determines how wide an angle the image is projected. In simple terms the larger the number of the focal length of the lens the narrower the beam. The lower the number the wider the angle. This angle is called the 'inclusive' angle. The 'inclusive angle' of each lens can be plotted on design drawings to determine the projected image size. Lens Selection Calculations This simple graph shows approximate image sizes at various projection distances for all of the lenses in the OPTI range.
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