Why would telescope lenses normally be held in a tube?
Friday, November 18th, 2011 at
9:20 pm
Comments (2)
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I need lenses that are concave convex objective lens with a focal length of 1,350 millimeters and 49 millimeter diameter and also Plano concave eyepiece lens with a focal length 152 millimeters and 49 millimeter diameter.
If it was a store somewhere around Alameda, CA that would be great.
Please do not say ebay.
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