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Old 08-07-2016   #6
Thin Air, Bright Sun
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JoeV is offline
Join Date: Sep 2006
Location: Albuquerque, NM, USA
Posts: 1,706
Great project. I'd recommend moving the tape measure a bit closer to the center of the field of view, because some of these lenses can have field curvature near the edge, meaning if you calibrate focus on the edge, the center may be a bit off.

From my pinhole camera experience, anything shiny, black or not, will reflect bright sun. Craft stores have adhesive black felt, in sheets, that works good as flocking.

Keep us update on your progress. Well done.

"If your eye is clear, your whole body will be full of light"

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