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Trolley Modeling in N Scale

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Eclipse Viewer ~ Sunday, August 20, 2017

Tomorrow is a solar eclipse (not complete here, but at least 75%) so we made a sun viewer.

First we tried the cereal-box/camera-obscura design that you've probably seen recommended in the internet. I thought the image was kinda meh so I built a version made out of mailing tubes, with a pinhole lens at one end and a "screen" (cap) for it to project onto at the other,  and cut out a window to view it.

It works but was a little hard to aim, so I added some cards as a guide--if the shadow of one card is on the other,  you're holding it right and shold see the sun.

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