21 January 2011



I must admit I am a pack-rat. I pick things up off the trash, enjoy a good dumpster dive, and generally look out for things that might be "useful".

 That is how I came upon this giant Fresnel lens from a defunct overhead projector (I have three). It makes a nice (very big) close up lens. With lovely distortion.

plus on a sunny day you can melt asphalt...

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