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A light box is needed to take optical flat field images to adjust for vignetting or small dust spots on your optics. This one is made for a Meade 10" LX-200 f/10, so a few minor adjustments may be needed for another setup. This can also be used when you use a 35mm camera lens on your astronomical CCD.
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This is a photo of the assembled lightbox, round cover for the cover (you don't want any scratches here!) and the pyramid adapter to allow you to use it with a 35mm camera lens.
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This is the inside of the top showing the lights.

Here is a PDF file of the construction details for the light box. It includes a material list and dimensions for all the parts. Click on the image to download the PDF file.
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Close up of the construction details.
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All images on this site copyright Gregory Pyros, 2000 - 2007. Non-commercial use is permitted with proper credit.