Advanced Telescope Building

So you’ve played with lenses, mirrors, and built an optical bench. Want to make a real telescope? In this experiment, you’ll build a Newtonian and a refractor telescope using your optical bench.

Materials:

• optical bench
• index card or white wall
• two double-convex lenses
• concave mirror
• popsicle stick
• mirror
• paper clip
• flash light
• black garbage bag
• scissors or razor
• rubber band
• wax paper
• hot glue

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