Editable telescope

Editable refracting telescope Though crude looking, this can be edited to create very precise ray diagrams. The rays can be first made very thin to align everything to a fraction of a pixel.

Searching commons

These ray diagrams were selected because they

1. are editable svg files
2. should be converted to svg because the usefully explain how to draw ray diagrams
3. have historical interest
4. describe refracting telescopes (do reflectors later)

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  File:Aerialtelescope.jpg
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  File:Sidereus, nuncius magna longeqve admirabilia spectacula... Wellcome L0072631.jpg
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  File:Luneta Keplera.jpg
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  File:Exit Pupil raytrace.svg
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  File:TelescopideGalileu.jpg
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  File:Fernrohr galilei.png
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  File:Cannocchiale.png
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  File:Cannocchiale keplero.png
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  File:Fernrohr galilei.svg (note the lack of precision)
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  File:Telescope-schematic-A.svg
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  File:Telescope-schematic.svg
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  Telescopios_Reflectores.jpg