Lenses
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Explains phases of lense refraction, and by animation shows action of a converging lense, real and virtual images, changes of magnification; effect of a diverging lense, and formation of the virtual image; and construction of achromatic lenses. Silent film with English subtext.
Credits
- Produced by
- Frank Wells
Sources
- 16mm Filmography (legacy record) — title, description, catalog record
- Wikidata · Q123374114 ↗ — year, country, credits
Original permalink · Record added 2026-01-23 03:42:46