| Refracting Telescope Kit Experiment with each element of a simple 16-power refracting telescope and see how the lenses work when put together without using an optical bench. Galileo’s first telescopes lacked precision and clarity. Nevertheless, he made astonishing discoveries with his crude instruments. This simple lab enables students to build a telescope that is similar to Galileo’s. Use the telescope and see how it is similar to a pinhole camera |
| • view inverted astronomical images • estimate the magnification power • find the focal length of a lens • see how the moon looked to Galileo. The Kit includes (10 of each unless noted): inner and outer tubes • plastic lenses (43mm diameter, objective, 400mm focal length) • plastic lenses (17.5mm diameter, 25mm focal length) • foam holders, cardboard spacers and washers for the eyepiece lenses • red plastic caps • 1 set of instructions & activities. |
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