P
PrintablesFabian Haensch
Sonnenprojektor / Camera Obscura – Lochkamera aus KG-Rohr DN125 (Sonnenfinsternis)
Solar Projector / Camera Obscura – Pinhole Sun Viewer from DN125 pipe Safe solar viewing by pinhole projection – no lens. The sun is projected through a tiny pinhole onto a paper screen. Great for sunspots, sunrise/sunset and partial…
- Pobrania
- 19
- Polubienia
- 8
- Ocena
- 0